CN106004928A - Rail joint transverse dislocation detection device and method - Google Patents

Rail joint transverse dislocation detection device and method Download PDF

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Publication number
CN106004928A
CN106004928A CN201610531214.0A CN201610531214A CN106004928A CN 106004928 A CN106004928 A CN 106004928A CN 201610531214 A CN201610531214 A CN 201610531214A CN 106004928 A CN106004928 A CN 106004928A
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China
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distance measuring
measuring sensor
rail
lateral separation
track
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CN201610531214.0A
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CN106004928B (en
Inventor
杨绍荃
杨波
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SICHUAN JINMA TECHNOLOGY Co Ltd
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SICHUAN JINMA TECHNOLOGY Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61KAUXILIARY EQUIPMENT SPECIALLY ADAPTED FOR RAILWAYS, NOT OTHERWISE PROVIDED FOR
    • B61K9/00Railway vehicle profile gauges; Detecting or indicating overheating of components; Apparatus on locomotives or cars to indicate bad track sections; General design of track recording vehicles
    • B61K9/08Measuring installations for surveying permanent way
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/40Support for services or applications

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Machines For Laying And Maintaining Railways (AREA)

Abstract

The invention discloses a rail joint transverse dislocation detection device and method. The detection device comprises at least two distance-measuring sensors; the distance-measuring sensors are arranged on side faces of a steel rail; the distance-measuring sensors are used for detecting a transverse distance between the steel rail and the distance-measuring sensors; the distance-measuring sensors are fixedly mounted on a sleeper (6) or a base (7) of the rail. The detection method comprises: mounting the rail joint transverse dislocation detection device; carrying out reference measurement and calculating a reference transverse distance difference; carrying out dislocation detection and calculating an instant transverse distance difference; comparing numerical values of the reference transverse distance difference and the instant transverse distance difference and analyzing dislocation. After the device disclosed by the invention is mounted, real-time detection can be realized; the detection process does not influence the normal running of a train and the utilization is convenient and safe. By detecting the distance between the sensors with the fixed positions and the steel rail, transverse dislocation of the steel rail is judged and a detection result is reliable and has high precision. Dynamic and remote rail joint dislocation detection can be realized so that the rail joint transverse dislocation detection device and method can be applied to large-scale and large-batch detection.

Description

Track seam transversion malposition detection device and method
Technical field
The present invention relates to a kind of railway security detection device, particularly relate to a kind of track seam transversion malposition detection device and method.
Background technology
Chinese Railway experiences the development of nearest more than ten years, progressively rank among high-speed railway developed country of world ranks, the great-leap-forward development paces of Chinese Railway have driven China Railway facility modernization, railway infrastructure management scientification, railway communication facility information, the process of railway infrastructure mechanization of maintenance, ensure safety for China Express Railway transport science and technology and lay good basis.The process of Speed Increased Reformed also promotes the development of track.
Along with deepening continuously of Speed Increased Reformed engineering, the use of non-fragment orbit is more and more extensive.Non-fragment orbit, also known as ballastless track, refers to use the mass-type foundation such as concrete, asphalt to replace the track structure that shot is ballast bed.Its sleeper itself is formed by concrete casting, and roadbed is directly layered in way of concrete foundations without rubble, rail, sleeper.Non-fragment orbit is the railway technology that the world today is advanced, it is possible to reduce safeguards, reduce dust, beautify the environment, and train speed per hour can reach more than 400 kilometers.Non-fragment orbit ride comfort is good, good stability, and service life is long, good endurance, maintenance work is few, it is to avoid splashing railway ballast.
Non-fragment orbit, during construction, all can arrange a seam every about 1.5KM, and this seam primarily serves the effect of buffer protection.But, under the influence of brought impulsive force run at high speed for a long time by train, it is susceptible to transversion malposition between the adjacent rail of seam crossing, this destroys the ride comfort of track, in some instances it may even be possible to directly contribute the derailing of train, have a strong impact on the traffic safety of train.
The detection mode of conventional seams dislocation is after train stops operation, track detection vehicle is relied on to carry out the perception misplaced, if track detection vehicle is clearly felt that horizontal vibrations when crossing seam crossing, then preliminary judgement is that rail there occurs transversion malposition, is detected further by engineering detecting personnel and examines.This traditional detection mode there is problems in that 1) need after withdrawal of train just can complete detection, train typically morning 1-4 point need stop transport to coordinate safety inspection, have impact on rail transportation efficiency and benefit largely, exist the biggest use limit to.2) whether the micro-judgment track detection vehicle relying on engineering staff has transverse vibration sense when crossing seam crossing, and accuracy of measurement is the highest.3) real-time, dynamic, long-range, extensive batch dislocation detection cannot be realized.
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art, it is provided that a kind of in real time, dynamically, remotely, be applicable to the track seam transversion malposition detection device and method of extensive batch detection.
It is an object of the invention to be achieved through the following technical solutions: track seam transversion malposition detection device, for detecting the transversion malposition between the adjacent rail of track seam crossing, including at least two distance measuring sensor, first distance measuring sensor is arranged at the side of the first rail, and the first distance measuring sensor is for the lateral separation between detection the first rail and the first distance measuring sensor;Second distance measuring sensor is arranged at the side of the second rail, and the second distance measuring sensor is for the lateral separation between detection the second rail and the second distance measuring sensor;First distance measuring sensor and the second distance measuring sensor are all fixedly mounted on sleeper or the base of track.
The first described distance measuring sensor and the second distance measuring sensor are fixedly mounted on sleeper or the base of track by crab-bolt respectively.
The first described distance measuring sensor and the second distance measuring sensor are connected as a sensor group by connection member, and this sensor group is fixedly mounted on sleeper or the base of track entirely through crab-bolt.
The first described distance measuring sensor and the cast of the second distance measuring sensor are fixed in sleeper or the base of track.
Track seam transversion malposition detection device, also includes that Acquisition Instrument, the outfan of each distance measuring sensor are all connected with Acquisition Instrument, and Acquisition Instrument analyzes the transversion malposition between adjacent rail for the range data detected according to distance measuring sensor.
It is provided with communication bus interface on described Acquisition Instrument, is connected with the communication of host computer or monitoring center's server for realizing Acquisition Instrument.
Described distance measuring sensor is touch sensor or noncontacting proximity sensor, and noncontacting proximity sensor includes the combination of any one or more in ultrasonic distance-measuring sensor, laser range sensor, infrared distance measuring sensor or radar sensor.
Track seam transversion malposition detection method, comprises the following steps:
S1: attachment rail seam transversion malposition detection device: arranging the first distance measuring sensor in the side of the first rail, arrange the second distance measuring sensor in the side of the second rail, distance measuring sensor is all fixedly mounted on sleeper or the base of track;
S2: reference measurement, comprises the following steps:
S201: measuring basis lateral separation: the first distance measuring sensor measures benchmark lateral separation L1 between the first rail and the first distance measuring sensor, the second distance measuring sensor measures benchmark lateral separation L2 between the second rail and the second distance measuring sensor;
S202: calculate benchmark lateral separation poor: benchmark lateral separation L1, the L2 calculating benchmark lateral separation that record according to step S201 are poor, benchmark lateral separation difference Δ L=L2-L1;
S3: dislocation detection, comprises the following steps:
Instant lateral separation L2 that S301: measure instant lateral separation: the first distance measuring sensor measures instant lateral separation L1 between the first rail and the first distance measuring sensor ', the second distance measuring sensor are measured between the second rail and the second distance measuring sensor ';
S302: calculate instant lateral separation poor: instant lateral separation L1 recorded according to step S301 ', that L2 ' calculates instant lateral separation is poor, instant lateral separation difference Δ L '=L2 '-L1 ';
S303: dislocation is analyzed: contrasts the numerical value of instant lateral separation difference Δ L ' and benchmark lateral separation difference Δ L, if Δ L '=Δ L, then transversion malposition does not occurs;If Δ L ' ≠ Δ L, then there occurs transversion malposition, the distance of transversion malposition is Δ L '-Δ L.
The first described distance measuring sensor and the second distance measuring sensor are fixedly mounted on sleeper or the base of track by crab-bolt respectively, or first distance measuring sensor and the second distance measuring sensor be connected as a sensor group by connection member, this sensor group is fixedly mounted on sleeper or the base of track entirely through crab-bolt.
The first described distance measuring sensor and the cast of the second distance measuring sensor are fixed in sleeper or the base of track.
The invention has the beneficial effects as follows:
1) equipment can realize detecting in real time after installing, and detection process does not affect the normal operation of train, can effectively extend the railway operation time, rail transportation efficiency and benefit is greatly improved, is used conveniently and safely.
2) by the transversion malposition of the Distance Judgment rail between sensor and the rail of detection fixed position, testing result is reliable and precision is high.
3) dynamic, long-range track seam dislocation detection can be realized, be applicable to extensive batch detection.
4) when pouring sleepers or base, sensor cast being fixed in sleeper or the base of track, this mounting means safety is high, even if under the enormous impact power that train crosses, sensor is not easy to be blown afloat or come off, and meets safe construction requirement.
Accompanying drawing explanation
Fig. 1 is mounting structure schematic diagram of the present invention;
Fig. 2 is mounting structure sectional view one of the present invention;
Fig. 3 is mounting structure sectional view two of the present invention;
In figure, 1-seam, 2-the first rail, 3-the second rail, 4-the first distance measuring sensor, 5-the second distance measuring sensor, 6-sleeper, 7-base, 8-Acquisition Instrument, 9-cabinet.
Detailed description of the invention
Technical scheme is described in further detail below in conjunction with the accompanying drawings, but protection scope of the present invention is not limited to the following stated.
As shown in Figure 1, track seam transversion malposition detection device, for detecting the transversion malposition between adjacent rail at track seam 1 (first rail the 2, second rail 3), each track seam crossing all can arrange one group of distance measuring sensor, often group distance measuring sensor includes at least two distance measuring sensor, first distance measuring sensor 4 is arranged at the side of the first rail 2, and the first distance measuring sensor 4 is for the lateral separation between detection the first rail 2 and the first distance measuring sensor 4;Second distance measuring sensor 5 is arranged at the side of the second rail 3, and the second distance measuring sensor 5 is for the lateral separation between detection the second rail 3 and the second distance measuring sensor 5;In order to ensure to detect the reliability of data, the position of distance measuring sensor must be fixed, and therefore needs to be fixedly mounted on distance measuring sensor on the sleeper 6 of track or on base 7.As in figure 2 it is shown, distance measuring sensor is fixedly mounted on the sleeper 6 of track, as it is shown on figure 3, distance measuring sensor is fixedly mounted on the base 7 of track.Fixed installation mode can use below (but not limited to) three kinds:
1, the first distance measuring sensor 4 and the second distance measuring sensor 5 are fixedly mounted on sleeper 6 or the base 7 of track by crab-bolt respectively.
2, the first distance measuring sensor 4 and the second distance measuring sensor 5 are connected as a sensor group by connection member, and this sensor group is as on the sleeper 6 or the base 7 that are fixedly mounted on track entirely through crab-bolt.
3, when pouring sleepers 6 or base 7, the first distance measuring sensor 4 and the cast of the second distance measuring sensor 5 are fixed in sleeper 6 or the base 7 of track.This mounting means safety is high, even if under the enormous impact power that train crosses, sensor is not easy to be blown afloat or come off.
Track seam transversion malposition detection device, also includes that Acquisition Instrument 8, the outfan of each distance measuring sensor are all connected with Acquisition Instrument 8, and Acquisition Instrument 8 analyzes the transversion malposition between adjacent rail for the range data detected according to distance measuring sensor.Acquisition Instrument 8 can be with external by wired or wireless mode as shown in Figure 2, it is also possible to is integrated in together with sensor as shown in Figure 3 in cabinet 9.
As improving further, described Acquisition Instrument 8 is provided with communication bus interface, is connected with the communication of host computer or monitoring center's server for realizing Acquisition Instrument 8, it is achieved remotely detect with scale.
Described distance measuring sensor can be touch sensor or noncontacting proximity sensor, and noncontacting proximity sensor includes the combination of any one or more in ultrasonic distance-measuring sensor, laser range sensor, infrared distance measuring sensor or radar sensor.
Track seam transversion malposition detection method, comprises the following steps:
S1: attachment rail seam transversion malposition detection device: arranging the first distance measuring sensor 4 in the side of the first rail 2, arrange the second distance measuring sensor 5 in the side of the second rail 3, distance measuring sensor is all fixedly mounted on sleeper 6 or the base 7 of track;
S2: reference measurement, comprises the following steps:
S201: measuring basis lateral separation: the first distance measuring sensor 4 measures benchmark lateral separation L1 between the first rail 2 and the first distance measuring sensor 4, the second distance measuring sensor 5 measures benchmark lateral separation L2 between the second rail 3 and the second distance measuring sensor 5;
S202: calculate benchmark lateral separation poor: benchmark lateral separation L1, the L2 calculating benchmark lateral separation that record according to step S201 are poor, and benchmark lateral separation difference Δ L=L2-L1(numerical value to be considered is positive and negative);
S3: dislocation detection, comprises the following steps:
S301: measure instant lateral separation: the first distance measuring sensor 4 measures instant lateral separation L1 between the first rail 2 and the first distance measuring sensor 4 ', the second distance measuring sensor 5 measure instant lateral separation L2 between the second rail 3 and the second distance measuring sensor 5 ';
S302: calculate instant lateral separation poor: instant lateral separation L1 recorded according to step S301 ', that L2 ' calculates instant lateral separation is poor, instant lateral separation difference Δ L '=L2 '-L1 ';
S303: dislocation is analyzed: contrasts the numerical value of instant lateral separation difference Δ L ' and benchmark lateral separation difference Δ L, if Δ L '=Δ L, then transversion malposition does not occurs;If Δ L ' ≠ Δ L, then there occurs transversion malposition, the distance of transversion malposition is Δ L '-Δ L.
The above is only the preferred embodiment of the present invention, it is to be understood that the present invention is not limited to form disclosed herein, it is not to be taken as the eliminating to other embodiments, and can be used for other combinations various, amendment and environment, and can be modified by above-mentioned teaching or the technology of association area or knowledge in contemplated scope described herein.And the change that those skilled in the art are carried out and change are without departing from the spirit and scope of the present invention, the most all should be in the protection domain of claims of the present invention.

Claims (10)

1. track seam transversion malposition detection device, for detecting the transversion malposition between the adjacent rail in track seam (1) place, it is characterized in that: include at least two distance measuring sensor, first distance measuring sensor (4) is arranged at the side of the first rail (2), and the first distance measuring sensor (4) is for the lateral separation between detection the first rail (2) and the first distance measuring sensor (4);Second distance measuring sensor (5) is arranged at the side of the second rail (3), and the second distance measuring sensor (5) is for the lateral separation between detection the second rail (3) and the second distance measuring sensor (5);First distance measuring sensor (4) and the second distance measuring sensor (5) are all fixedly mounted on sleeper (6) or the base (7) of track.
Track seam transversion malposition the most according to claim 1 detection device, it is characterised in that: described the first distance measuring sensor (4) and the second distance measuring sensor (5) are fixedly mounted on sleeper (6) or the base (7) of track by crab-bolt respectively.
Track seam transversion malposition the most according to claim 1 detection device, it is characterized in that: described the first distance measuring sensor (4) and the second distance measuring sensor (5) are connected as a sensor group by connection member, this sensor group is fixedly mounted on sleeper (6) or the base (7) of track entirely through crab-bolt.
Track seam transversion malposition the most according to claim 1 detection device, it is characterised in that: described the first distance measuring sensor (4) and the second distance measuring sensor (5) cast are fixed in sleeper (6) or the base (7) of track.
Track seam transversion malposition the most according to claim 1 detection device, it is characterized in that: also include Acquisition Instrument (8), the outfan of each distance measuring sensor is all connected with Acquisition Instrument (8), and Acquisition Instrument (8) analyzes the transversion malposition between adjacent rail for the range data detected according to distance measuring sensor.
Track seam transversion malposition the most according to claim 5 detection device, it is characterised in that: it is provided with communication bus interface on described Acquisition Instrument (8), is used for realizing Acquisition Instrument (8) and is connected with the communication of host computer or monitoring center's server.
Track seam transversion malposition the most according to claim 1 detection device, it is characterized in that: described distance measuring sensor is touch sensor or noncontacting proximity sensor, noncontacting proximity sensor includes the combination of any one or more in ultrasonic distance-measuring sensor, laser range sensor, infrared distance measuring sensor or radar sensor.
8. track seam transversion malposition detection method, it is characterised in that comprise the following steps:
S1: attachment rail seam transversion malposition detection device: the first distance measuring sensor (4) is set in the side of the first rail (2), arranging the second distance measuring sensor (5) in the side of the second rail (3), distance measuring sensor is all fixedly mounted on sleeper (6) or the base (7) of track;
S2: reference measurement, comprises the following steps:
S201: measuring basis lateral separation: the first distance measuring sensor (4) measures benchmark lateral separation L1 between the first rail (2) and the first distance measuring sensor (4), the second distance measuring sensor (5) measures benchmark lateral separation L2 between the second rail (3) and the second distance measuring sensor (5);
S202: calculate benchmark lateral separation poor: benchmark lateral separation L1, the L2 calculating benchmark lateral separation that record according to step S201 are poor, benchmark lateral separation difference Δ L=L2-L1;
S3: dislocation detection, comprises the following steps:
S301: measure instant lateral separation: the first distance measuring sensor (4) measures instant lateral separation L1 between the first rail (2) and the first distance measuring sensor (4) ', the second distance measuring sensor (5) measure instant lateral separation L2 between the second rail (3) and the second distance measuring sensor (5) ';
S302: calculate instant lateral separation poor: instant lateral separation L1 recorded according to step S301 ', that L2 ' calculates instant lateral separation is poor, instant lateral separation difference Δ L '=L2 '-L1 ';
S303: dislocation is analyzed: contrasts the numerical value of instant lateral separation difference Δ L ' and benchmark lateral separation difference Δ L, if Δ L '=Δ L, then transversion malposition does not occurs;If Δ L ' ≠ Δ L, then there occurs transversion malposition, the distance of transversion malposition is Δ L '-Δ L.
Track seam transversion malposition detection method the most according to claim 8, it is characterized in that: described the first distance measuring sensor (4) and the second distance measuring sensor (5) are fixedly mounted on sleeper (6) or the base (7) of track by crab-bolt respectively, or first distance measuring sensor (4) and the second distance measuring sensor (5) be connected as a sensor group by connection member, this sensor group is fixedly mounted on sleeper (6) or the base (7) of track entirely through crab-bolt.
Track seam transversion malposition detection method the most according to claim 8, it is characterised in that: described the first distance measuring sensor (4) and the second distance measuring sensor (5) cast are fixed in sleeper (6) or the base (7) of track.
CN201610531214.0A 2016-07-07 2016-07-07 Track seam transversion malposition detection means and method Active CN106004928B (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109436020A (en) * 2018-12-17 2019-03-08 昆明昆船物流信息产业有限公司 A kind of carrier orbital slots detection device and detection method
CN111928754A (en) * 2020-08-18 2020-11-13 上海瑞纽机械股份有限公司 Device for measuring dislocation of rail joint after steel rail welding
US20220032974A1 (en) * 2018-09-24 2022-02-03 Robel Bahnbaumaschinen Gmbh Monitoring device for monitoring a temporary rail connection of two rail portions of a rail and rail connection system having such a monitoring device

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06323829A (en) * 1993-05-11 1994-11-25 Hitachi Kiden Kogyo Ltd Displacement and abrasion measuring apparatus for rail
JPH1137728A (en) * 1997-07-18 1999-02-12 West Japan Railway Co Method and device for measuring amount of longitudinal movement of rail
CN101219671A (en) * 2008-01-04 2008-07-16 李�诚 Transverse and vertical dynamic displacement measuring device of high-speed railway track circuit
CN203332150U (en) * 2013-07-25 2013-12-11 西安新瑞铁路器材有限公司 Longitudinal displacement observation device for steel rail
CN203687827U (en) * 2014-01-09 2014-07-02 重庆桥都桥梁技术有限公司 Real-time and automatic curved and ramp bridge pier beam displacement monitoring equipment
CN104024081A (en) * 2011-12-28 2014-09-03 川崎重工业株式会社 Displacement detection device for railroad rail
CN205737583U (en) * 2016-07-07 2016-11-30 四川金码科技有限公司 Track seam transversion malposition detection device

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06323829A (en) * 1993-05-11 1994-11-25 Hitachi Kiden Kogyo Ltd Displacement and abrasion measuring apparatus for rail
JPH1137728A (en) * 1997-07-18 1999-02-12 West Japan Railway Co Method and device for measuring amount of longitudinal movement of rail
CN101219671A (en) * 2008-01-04 2008-07-16 李�诚 Transverse and vertical dynamic displacement measuring device of high-speed railway track circuit
CN104024081A (en) * 2011-12-28 2014-09-03 川崎重工业株式会社 Displacement detection device for railroad rail
CN203332150U (en) * 2013-07-25 2013-12-11 西安新瑞铁路器材有限公司 Longitudinal displacement observation device for steel rail
CN203687827U (en) * 2014-01-09 2014-07-02 重庆桥都桥梁技术有限公司 Real-time and automatic curved and ramp bridge pier beam displacement monitoring equipment
CN205737583U (en) * 2016-07-07 2016-11-30 四川金码科技有限公司 Track seam transversion malposition detection device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220032974A1 (en) * 2018-09-24 2022-02-03 Robel Bahnbaumaschinen Gmbh Monitoring device for monitoring a temporary rail connection of two rail portions of a rail and rail connection system having such a monitoring device
CN109436020A (en) * 2018-12-17 2019-03-08 昆明昆船物流信息产业有限公司 A kind of carrier orbital slots detection device and detection method
CN111928754A (en) * 2020-08-18 2020-11-13 上海瑞纽机械股份有限公司 Device for measuring dislocation of rail joint after steel rail welding

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