KR102506511B1 - Rail Support, Apparatus for Measuring Rail Displacements and System for Measuring Rail Displacements Using the Same - Google Patents

Abstract

The present invention is a pair of rail supports that maximize the mutual coupling area when receiving and supporting the rails from the inside and outside of the rail to achieve strong coupling against vibration and shock, a rail displacement measuring device using the same, and a rail displacement measuring system it's about
The rail support of the present invention is installed on the lower flange of the rail and is equipped with one measurement sensor for measuring the displacement of the rail, and includes an inner support having a first groove on one side for accommodating one side of the lower flange; An external support having a second groove on one side for accommodating the other side of the lower flange; and a support coupling device for binding and fixing the internal support and the external support when the inner support and the external support are mutually combined to accommodate the lower flange of the rail in the first and second grooves, wherein the support coupling device includes the support coupling device. Is, a coupling protrusion protruding from the body of one of the outer support and the inner support; and a coupling groove in which the coupling protrusion is coupled to face the coupling protrusion inside the body of one of the inner supporter and the outer supporter.

Description

Rail support, rail displacement measuring device and rail displacement measurement system using the same {Rail Support, Apparatus for Measuring Rail Displacements and System for Measuring Rail Displacements Using the Same}

The present invention relates to a rail support and a rail displacement measuring device using the same, and more specifically, to a pair of rail supports, when receiving and supporting rails from the inside and outside of the rail, the mutual coupling area is maximized to achieve strong coupling against vibration and shock. It relates to a rail support that can be used, a rail displacement measurement device using the same, and a rail displacement measurement system.

A general railway track is constructed by embankment of soil on a raw ground without deformation of motion to create an embankment ground, arranging a number of sleepers at regular intervals on the embankment ground, and installing a pair of rails in parallel at 1480mm intervals (standard gauge) on top of it. .

Railroad tracks can be installed on or adjacent to soft ground such as landfills as needed, next to incisions located at the bottom of mountains or facing valleys of mountains, and around railroad tracks, river maintenance or tunnel construction or civil engineering work for building new buildings may occur.

However, landslides or floods due to the rainy season or heavy rain in summer may cause rapid ground subsidence in the embankment ground of railway tracks facing cuts or valleys of mountains, and also, even if they are adjacent to soft ground Ground subsidence may occur gradually, and ground subsidence may occur due to poor design or errors even when civil works occur adjacent to the embankment ground of a railroad track.

In addition, even in the case of a railroad rail passing over a tunnel or bridge, ground subsidence may gradually occur as a structure in which sleepers are installed deteriorates due to long-term use.

Therefore, for railway rails passing over soft ground, incisions, valleys, tunnels and bridges where structural deformation is likely to occur, the amount of displacement is measured, and the deformation caused by ground subsidence and deformation is measured. It is necessary to measure the safety condition of railroad rails at all times in order to prevent possible large-scale railroad accidents in advance and to ensure the safe operation of trains.

For example, if the displacement of the rail exceeds the standard gauge deviation range (-4mm or +7mm), or the height difference between the inner and outer rails in the curved line section is called CANT, the maximum cant (160mm) Even if the train speed exceeds , there is a risk of derailment when the speed of the train is high.

A scale ruler, an inclinometer, a laser light digger, an optical fiber measuring device, etc. are used in the railroad ground settlement measuring device used in conventional civil engineering sites depending on the construction application site. Since most measuring instruments manually measure only one point or are temporary measurements using expensive equipment for research purposes (e.g., laser light digger, fiber optic measuring instrument), multiple instruments are employed for multiple points when considering the aspect of field measurement budget. Therefore, there were many limitations in measuring continuously.

The structure and installation example of a typical railway rail displacement measuring device in the related art will be described as follows.

Conventionally, when a railroad is built on the embankment ground formed by embankment of soil in the original ground at a civil engineering site, ground subsidence from the railroad is concerned. Therefore, it is a technology to measure the amount of settlement by simply manually observing the settlement scale with a ruler.

The scale sighting method is inefficient and has a structure in which regular measurement and remote automatic measurement are impossible because a measurer must always be on-site or inspected from time to time. Responsiveness to accidents caused by sudden railroad subsidence is significantly reduced.

In general, organizations that manage railroad rails do not allow the direct installation of sensors and attachments for measuring the amount of rail displacement on rails because they cause damage to railroad rails or interfere with the track network for train communication. Common.

The present applicant does not perform large-scale construction such as drilling the ground, burying a measuring pipe, or driving a measuring pile into the ground, and also does not damage the railroad rail or interfere with the track network for train communication. Korean Patent Publication No. 10-2010-0088945 (Patent Document 1) proposed a rail displacement measuring device capable of measuring the safety state of a railroad rail by simply installing a detection sensor using a magnet. Patent Document 1 is not a type in which the detection sensor is directly installed on the rail.

In addition, Korean Patent Registration No. 10-1348147 (Patent Document 2) can be applied to a sleeper structure made of concrete, and since the displacement of the rail is directly measured, the reliability of the data is high, and the height difference between the rails on both sides occurs. A device for measuring the displacement in the width direction of a railway rail is proposed.

In Patent Document 2, a pair of intermediate members are connected to a pair of rail fixing members fixed while surrounding the lower part of each rail, and both ends of a sensor casing in which angle sensors are embedded are connected to both ends of the intermediate member, thereby displaced rails. to the angle sensor.

However, in Patent Document 2, since the rail fixing member is composed of a single body, the attachment and installation method of the rail fixing member fixed while surrounding the lower part of the rail is complicated and not robust, so a large measurement error may occur.

In addition, Patent Document 2 uses an inner spacer member made of simple bolts, a rail coupling member, and an upper spacer member to directly contact and fix the rail fixing member to the rail, so the coupling force is weak, it is an unstable fixing method, and the vibration of the train running There is a possibility that the rail fixing member may be changed by the rail, and it may damage the rail and affect railroad safety.

Furthermore, in Patent Document 2, since the rail displacement is transmitted through the intermediate member extending long to the unstable rail fixing member, a measurement error may occur.

Korean Patent Registration No. 10-1328516 (Patent Document 3) discloses a pair of rail fixing members installed at a distance from each other while being fixed around the lower part of one rail, and a sensor casing installed between the pair of rail fixing members. , and a displacement measuring device in the traveling direction of a railway rail including an angle sensor installed in a sensor casing to measure an angular change of a pair of rail fixing members.

In Patent Document 3, as the rail fixing members are composed of a single body, as in Patent Document 2, the attachment and installation method of the rail fixing member fixed while surrounding the lower part of the rail is complicated and not robust, so a large measurement error may occur.

Korean Patent Registration Publication No. 10-1437604 (Patent Document 4) discloses a pair of rail fixing members that are fixed around the lower portions of both rails and have hinge coupling parts, both ends of which are hinged to operate in response to the relative sinking of both rails A sensor casing hinged to the hinge coupling part of each pair of rail fixing members and an angle sensor installed in the sensor casing to measure the angle change of the pair of rail fixing members. has been initiated.

Patent Document 4 measures only the angular change of a pair of rail fixing members by a sensor casing hinged to the hinge coupling part of the rail fixing member and an angle sensor installed on the sensor casing, so that the height difference between the rails on both sides of the rail There is a problem in measuring various displacements.

Patent Document 4 is that the sensor casing is hinged to the hinge coupling part of the rail fixing member, so that when ground subsidence occurs, the sensor casing and the rail can each be displaced, so the measurement sensor built into the sensor casing accurately measures the rail displacement If this is not done, errors may occur.

In addition, since the rail fixing member has a different structure between the outer support member and the inner support member, there is no mutual interchangeability.

Korean Patent Registration No. 10-1468994 (Patent Document 5) discloses a displacement measuring device in the traveling direction of a railroad rail, but has a problem similar to that of Patent Document 4.

In all of Patent Documents 2 to 5, the measurement sensor is not directly attached to the rail, and a sensor case having a length of about 1 meter or more and capable of being changed is installed between a pair of rail fixing members supporting the rail, and the sensor case Since the displacement of is measured using a measurement sensor built into the case, the measurement has an inaccurate problem.

The measurement sensor is used by being semi-permanently attached to the rail. In Patent Document 2 to Patent Document 5, the internal and external rail fixing members supporting the rail are different from each other in the structure and area of the rail fixing member coupled to the rail. It is difficult to maintain the balance of the rails due to uneven coupling force up/down/left/right, resulting in coupling deviations.

: Korean Patent Publication No. 10-2010-0088945 : Korea Patent Registration No. 10-1348147 : Korea Patent Registration No. 10-1328516 : Korea Patent Registration No. 10-1437604 : Korea Patent Registration No. 10-1468994

Therefore, the present invention has been made to solve the above problems, and the object thereof is to maximize the mutual coupling area by employing a male and female coupling structure between the internal support and the external support, so that strong coupling against vibration and shock can be achieved. It is to provide a rail support and a rail displacement measuring device using the same.

Another object of the present invention is that as the internal and external supports installed on the rail have a symmetrical external shape and a rail receiving groove, the coupling force applied to the rail is uniform up and down / left and right, so that coupling deviation does not occur and does not affect the rail It is to provide a rail support and a rail displacement measuring device using the same.

Another object of the present invention is to provide a rail support that can be coupled using a male and female fastening groove structure without using a separate fixing bolt between an internal support and an external support, and a rail displacement measuring device using the same.

Another object of the present invention is to measure the displacement of the rail by directly installing one small measuring sensor on one rail support composed of internal and external supports, thereby preventing measurement errors that may occur due to change/displacement of the sensor case as in the prior art. It is to provide a rail support that can remove and a rail displacement measuring device using the same.

Another object of the present invention is a rail displacement measuring device capable of measuring the longitudinal displacement of the rail and the inclination, twisting, and subsidence of the rail for each section by installing a plurality of measurement sensors at regular intervals along the length of the rail, and the same. It is to provide a rail displacement measurement system using

Another object of the present invention is to provide a rail displacement measuring device capable of measuring the distance and settlement between rail widths by installing inclination sensors on both sides of opposing rails, and a rail displacement measuring system using the same.

Another object of the present invention is a length sensor, a Global Positioning System (GPS) sensor, a MEMS sensor, an acceleration sensor, a gyro sensor, and a temperature sensor in addition to a three-axis inclination sensor capable of measuring the inclination, twist, and subsidence of a rail on one rail support. It is to provide a rail displacement measurement device capable of various measurement sensor combinations by further installing at least one of , an optical sensor, and a laser sensor, and a rail displacement measurement system using the same.

A rail support according to an embodiment of the present invention is installed to surround the lower flange of the rail and is equipped with one measurement sensor for measuring the displacement of the rail, and includes a first portion for accommodating one side of the lower flange at one side. an inner support having a groove; An external support having a second groove on one side for accommodating the other side of the lower flange; and a support coupling device for binding and fixing the internal support and the external support when the inner support and the external support are mutually combined to accommodate the lower flange of the rail in the first and second grooves, wherein the support coupling device includes the support coupling device. Is, a coupling protrusion protruding from the body of one of the outer support and the inner support; and a coupling groove in which the coupling protrusion is coupled to face the coupling protrusion inside the body of one of the inner supporter and the outer supporter.

The support coupling device may be snap-coupled by adopting a male-female coupling structure between the coupling protrusion and the coupling groove between the internal support and the external support.

The inner supporter and the outer supporter may have a symmetrical structure in the same shape on the left and right in appearance. In addition, corners between the upper surface, the outer surface, and the lower surface of the inner supporter and the outer supporter may all be formed at right angles, and the upper surface and the lower surface may have a parallel relationship.

The measurement sensor may be installed on an upper surface or side surface of the inner support or the outer support, and the lower flange of the rail preferably makes surface contact with inner circumferential surfaces of the first and second grooves of the inner support and the outer support.

The measurement sensor may be a length sensor, an inclination sensor, or a combination of a length sensor and an inclination sensor, and the inclination sensor may be one of a 1-axis inclination sensor, a 2-axis inclination sensor, and a 3-axis inclination sensor.

In addition, the rail support of the present invention may further include at least one of an acceleration sensor, a GPS sensor, a gyro sensor, a temperature sensor, an optical sensor, and a laser sensor.

According to another embodiment of the present invention, the rail displacement measuring device of the present invention is installed on a pair of parallel rails, respectively, first and second rail supports for receiving and supporting the lower flanges of the rails therein; and a measurement sensor having both ends fixed to the first and second rail supports to measure the displacement of the rail, wherein the first and second rail supports are the rail supports, respectively.

According to another embodiment of the present invention, the rail displacement measuring device of the present invention is installed at intervals along one rail at least one rail support for receiving and supporting the lower flange of the rail therein; and at least one measurement sensor fixed to the at least one rail support and measuring displacement of the rail, wherein the rail support is a rail support.

According to another embodiment of the present invention, the rail displacement measurement system of the present invention includes a plurality of rail displacement measuring devices installed at intervals along one rail to detect rail displacement; a data logger for receiving rail displacement data measured from the plurality of rail displacement measurement devices and transmitting the data to a public network; And a system server for receiving the rail displacement data transmitted from the data logger through the public network and comparing it with a preset standard reference value to determine the stability of the rail, wherein the plurality of rail displacement measuring devices are each of the rail displacement measuring devices It is characterized by being

As described above, in the present invention, by employing a male and female coupling structure between the internal support and the external support to maximize the mutual coupling area, strong coupling against vibration and shock can be achieved.

In addition, in the present invention, as the internal and external supports installed on the rail have a symmetrical external shape and a rail receiving groove, the coupling force applied to the rail is uniform up and down / left and right, so that coupling deviation does not occur and does not affect the rail .

Furthermore, in the present invention, it is possible to couple using a male and female fastening groove structure without using a separate fixing bolt between the inner support and the outer support.

In general, the rail is composed of an H-beam shape and is a structure with high strength, but the long sensor case (rod) of 1m or more used in the conventional rail displacement measuring device is a hollow circular tube, so the sensor case ( There is a structural problem in which the rod) is displaced (changed) first.

In the present invention, by directly installing a small measuring sensor, for example, less than 10 cm, on one rail support composed of internal and external supports to directly measure the displacement of the rail, both ends of the rail are installed at two points as in the prior art. Measurement errors that may occur due to changes/displacements such as bending or twisting of a sensor case (rod) longer than 1m long mounted on a rail can be eliminated by the support.

In the present invention, without fixing both ends of the rail displacement measuring device to a pair of rail supports and without using unnecessary additional devices such as hinges on the rail supports, it is directly installed on one rail support to directly detect the change in the rail. Accuracy is high.

In the present invention, by installing a plurality of measurement sensors at regular intervals along the length of the rail, it is possible to measure the displacement in the longitudinal direction of the rail and the inclination, twist, and settlement of the rail for each section.

In the present invention, by installing inclination sensors on both sides of the opposing rails, it is possible to measure the distance and the settlement between the rail widths.

The present invention provides a length sensor, a Global Positioning System (GPS) sensor, a MEMS sensor, an acceleration sensor, a gyro sensor, a temperature sensor, and an optical sensor in addition to a three-axis inclination sensor capable of measuring the inclination, twist, and subsidence of a rail on a single rail support. , various measurement sensor combinations are possible by further installing at least one of the laser sensors.

In the present invention, by simply installing detection sensors at both ends of the rail, it is possible to measure the amount of rail displacement due to railroad ground subsidence and structural deformation with high reliability, so that the railroad rail safety condition can be measured at all times, and a low-cost rail displacement measuring device that is easy to install can provide.

In addition, in the present invention, when the rail support on which the measurement sensor is installed is installed on the rail, the inner support and the outer support for accommodating 1/2 of the lower flange of the rail are installed on the rail, and then the support coupling member is fastened to the rail support to fix it. As a result, damage to the rail can be prevented.

Furthermore, in the present invention, as the rail support has an inner circumferential surface according to the shape of the rail and is coupled with the rail in surface contact, a stable coupling is achieved with a large contact area, and stable detection of the rail displacement can be achieved.

In the present invention, since the measurement sensor can be directly installed on the rail support without using any intermediate member between the rail support and the measurement sensor, it is possible to directly measure the rail displacement with high reliability without generating a measurement error.

In addition, in the present invention, by using a non-conductive rail support, it is possible to prevent overvoltage induction on the rail, thereby securing the stability of train operation and not affecting the track network for train communication.

In the present invention, when a vibration buffer is inserted between the sensor coupling portion and the rail support to prevent train vibration caused by train operation from affecting the measurement sensor, the contact area between the sensor coupling portion and the rail support is wide so that sensor measurement can be made stably. there is.

As described above, in the present invention, since the measurement sensor can be simply attached without direct damage to the rail, it is possible to measure the rail displacement while safe operation of the railroad without damage to the rail. As a result, it is possible to prevent large-scale railroad accidents that may occur due to natural disasters around railroad tracks and railroad ground subsidence and deformation due to civil engineering works, and to always measure the safety state of railroad rails for the safe operation of trains.

1 is a schematic cross-sectional view showing a state in which a rail displacement measuring device is installed on a rail using a rail support according to a first preferred embodiment of the present invention;
2 is an exploded view of a rail support according to a first embodiment of the present invention;
3a and 3b are cross-sectional views of rail supports according to second and third embodiments of the present invention, respectively;
4a to 4c are cross-sectional views of rail supports according to fourth to sixth embodiments of the present invention, respectively;
5a and 5b are schematic and perspective views showing that one rail displacement measuring device is installed along the longitudinal direction on one rail, respectively;
Figure 6 is a schematic view showing that two rail displacement measuring devices are installed along the longitudinal direction on one rail;
7 is a schematic configuration diagram showing a rail displacement measuring system according to the present invention constructed by combining a plurality of rail displacement measuring devices;
8 is a schematic configuration diagram showing a wireless rail displacement measurement system according to the present invention configured by combining a plurality of rail displacement measurement devices capable of wireless communication, respectively;
9 is a schematic block diagram of a rail displacement measuring device according to the present invention;
10 is an explanatory diagram for explaining the role of a 3-axis inclination sensor;
11 is a cross-sectional view showing a rail displacement measuring device for measuring displacement (rail width interval) of opposing rails according to the present invention;
12 is a perspective view showing a length sensor for measuring the displacement of the rail (rail width interval);
13a to 13c are perspective views showing a small rail displacement measuring device, a bottom plate, and a housing, respectively;
14 and 15 are perspective views illustrating another type of small rail displacement measuring device.

Hereinafter, embodiments according to the present invention will be described in detail with reference to the accompanying drawings. In this process, the size or shape of the components shown in the drawings may be exaggerated for clarity and convenience of explanation.

In general, the railway is constructed by filling soil on the original ground to create the embankment ground and fixing a pair of rails 60 and 60a on a plurality of sleepers installed on the embankment ground.

However, whether the embankment ground is soft ground, there is a site for civil engineering works adjacent to the track, another railroad or road crosses under the embankment ground, or through or through the embankment ground from the valley of an adjacent mountain If an adjacent drainage channel is installed, ground subsidence occurs from the area where ground subsidence is expected during civil engineering work or during heavy rain in summer, and one side of the sleeper subsides, causing the rail to tilt and deformation of the rail. As a result, the undeformed rail and The rail of the train is far away, and a train derailment accident occurs.

Attached Figure 1 is a schematic cross-sectional view showing a state in which a rail displacement measuring device is installed on a rail using a rail support according to a first preferred embodiment of the present invention, Figure 2 is a rail according to the first embodiment of the present invention This is an exploded view of the support.

First, referring to FIGS. 1 and 2, in the rail displacement measuring device 100 according to a preferred embodiment of the present invention, the enclosure 50a is assembled to the bottom plate support 54 and the inclination sensor 42 ( 9) and the like are installed, the measurement sensor 50 (see FIG. 13a) and the rail 60 have an inner circumferential surface according to the shape of the rail 60 and surface contact coupling, so that the contact area is wide and stable coupling is achieved. It includes a rail support 10 for supporting the measurement sensor 50 installed on the upper surface or side so that the rail displacement can be stably detected.

First of all, a pair of rails (60, 60a) fixedly installed on a plurality of sleepers supports the weight of the vehicle, distributing it evenly on the sleepers and the roadway, and guides the wheels so that they do not derail, and the track circuit of the signal current, the power current It is a very important part of the line that forms the passage of

When the rail 60 is pressed from the top with great force, the top and bottom surfaces of the rail receive the greatest force and receive less force toward the middle portion 63, so it is necessary to dig out the unnecessary middle portion 63. An I-shaped rail 60 formed along is being used.

The I-shaped rail 60 has a stable support structure in which the lower flange 62 is formed wider than the upper flange 61 in contact with the wheel.

The rail support 10 is formed along the longitudinal direction of the rail on the inner side where the first and second grooves 14 and 15 face each other so as to accommodate 1/2 of the inner and outer lower flanges 62a and 62b of the rail 60. When installing the inner support 11 and the outer support 12, and the inner support 11 and the outer support 12 to surround the lower flange 62 of the rail 60, the inner support 11 is snap-coupled. And a support coupling device 13 for binding the external support 12.

In this case, the support coupling device 13 has a coupling protrusion 120 protruding from the body 12a of the external support 12 and the coupling protrusion 120 inside the body 11a of the internal support 11. It includes a coupling groove 130 into which the coupling protrusion 120 is snap-coupled toward.

The support coupling device 13 employs a male and female coupling structure between the internal support 11 and the external support 12 to increase the coupling area so that strong coupling against vibration and shock can be achieved.

The coupling protrusion 120 is separated into upper and lower heads 121 and 122 by forming a slit 123 so that the front end is elastically deformed. ) is formed. In addition, the coupling groove 130 has projections corresponding to the stepped grooves 124 formed on its upper and lower surfaces, and a groove 131 accommodating the upper and lower heads 121 and 122 is formed on the inner side.

The coupling protrusion 120 is in a state where the upper and lower heads 121 and 122 are spread apart before being coupled to the coupling groove 130, and when the external support 12 and the internal support 11 are assembled, the upper and lower heads ( 121 and 122 are coupled to the groove 131 while being elastically deformed, and when the snap coupling is made, the coupling protrusion 120 is coupled without easily leaving the upper and lower heads 121 and 122 caught on the stepped portion formed in the groove 131 state will be maintained.

The inner support 11 and the outer support 12 have a symmetrical structure with the same shape on the left and right except for the support coupling device 13. The upper surface 10a, the side surface 10b and the lower surface 10c of each of the inner support 11 and the outer support 12 are preferably all flat and the corners are bent at right angles, and the upper surface 10a and the lower The face 10c has a parallel relationship. In this case, the upper surface 10a and the lower surface 10c may or may not have a substantially parallel relationship.

Since the internal support 11 and the external support 12 have a symmetrical structure in the same shape on the left and right except for the support coupling device 13, even if the installation positions of the internal support 11 and the external support 12 are reversed, the rail There is no problem in terms of supporting the . As will be described later, they have the same shape except that the screw fastening holes 16 and 17 necessary for fixing the measuring sensor 50 are formed on the upper surface 10a and the side surface 10b.

The inner support 11 and the outer support 12 have first and second grooves 14 and 15 corresponding to the shape of the lower flange 62 so as to surround the lower flange 62 of the rail, respectively, on the inside facing each other. It is formed along the longitudinal direction of the rail.

The lower flange 62 of the rail 60 has a cross-sectional structure in which the bottom surface is flat, vertically bent at both ends to extend to a certain height, and then the thickness gradually increases toward the middle portion 63.

The first and second grooves 14 and 15 have a left-right symmetrical structure, and the bottom surface 14b of the inner wall 14a is flat so as to have an inner circumferential surface corresponding to the lower flange 62 in combination with each other, and the inner wall 14a The upper surface 14c of the ) forms an inclined surface so that the groove width gradually increases, and when the inner support 11 and the outer support 12 are combined, the lower surface 14b of the inner wall 14a is in contact with each other, A flat surface is formed, and the upper end of the inner wall 14a extends to a certain length and then has a certain interval.

When the inner support 11 and the outer support 12 are mutually combined, the lower flange 62 of the rail 60 is surface-contacted to the first and second grooves 14 and 15, and as a result, the contact area This wide and stable bond is achieved.

In addition, in the present invention, since the rail support 10 is used as a non-conductor, when the rail displacement measuring device 100 is installed between the rails 60 and 60a, it is possible to prevent overvoltage induction in the rails 60 and 60a, so that the train It secures operation stability and does not affect the track network for train communication.

In the inner support 11, two screw fastening holes 16 and 17 necessary for fixing the measurement sensor 50 are formed at intervals on the upper surface 10a and the side surface 10b.

In the rail support 10 according to the first embodiment of the present invention, when the external support 12 and the internal support 11 are assembled, the coupling protrusion 120 is snap-coupled to the coupling groove 130 to maintain the coupled state. Therefore, a separate fixing device for fixing the external support 12 and the internal support 11 is not required.

The rail support 10 according to the present invention is a support coupling device for maintaining the coupling protrusion 120 coupled to the coupling groove 130 when the external support 12 and the internal support 11 are assembled, and has a different structure. can be adopted.

Other support coupling devices other than the above-described first embodiment will be described below.

3A and 3B are cross-sectional views of rail supports according to second and third embodiments of the present invention, and FIGS. 4A to 4C are cross-sectional views of rail supports according to modified embodiments of the present invention, respectively.

Referring to FIG. 3A, the outer support 12 and the inner support 11 constituting the rail support 10a according to the second embodiment have the same external shape as the first embodiment, and the inner sides facing each other First and second grooves 14 and 15 corresponding to the shape of the lower flange 62 are formed along the longitudinal direction of the rail to surround the lower flange 62 of the rail, respectively.

The rail support 10a according to the second embodiment is a support coupling device 13b for maintaining a coupled state when the external support 12 and the internal support 11 are assembled, and includes a coupling protrusion 120a, a coupling groove ( 130a), and a support coupling member 19 for maintaining a state in which the coupling protrusion 120a is coupled to the coupling groove 130a.

When the fastening hole of the external support 12 is non-through, the support coupling member 19 has a screw thread formed on the outer periphery, for example, it is made of a coupling bolt and is fastened to the fastening hole. When the fastening hole of the external support 12 is through-type, the support coupling member 19 may be composed of, for example, a coupling bolt and an anti-loosening fixing nut. If the support coupling member 19 is to bind and fix the inner support 11 and the outer support 12, other fixing methods may be applied.

Referring to FIG. 3B, the external support 12 and the internal support 11 constituting the rail support 10b according to the third embodiment have the same external shape as the first embodiment, and the inner sides facing each other First and second grooves 14 and 15 corresponding to the shape of the lower flange 62 are formed along the longitudinal direction of the rail to surround the lower flange 62 of the rail, respectively.

The rail support 10b according to the third embodiment is a support coupling device 13c for maintaining a coupled state when the external support 12 and the internal support 11 are assembled, and includes a coupling protrusion 120b, a coupling groove ( 130b), and a support coupling member 20 for maintaining a state in which the coupling protrusion 120b is coupled to the coupling groove 130b.

The support coupling member 20 is a fixing pin ( wedge).

The second and third embodiments may exhibit the same effect as the first embodiment in that a male and female coupling structure is employed between the internal support 11 and the external support 12 .

Referring to FIG. 4A, the second and third embodiments employ support coupling members 19 and 20, but the rail support according to the fourth embodiment of the present invention includes an external support 12 and an internal support 11 As the support coupling device 13d for maintaining the coupled state when is assembled, the support coupling member for maintaining the coupling protrusion 120c coupled to the coupling groove 130c is not used.

In the rail support according to the fourth embodiment of the present invention, the cylindrical coupling protrusion 120c protrudes from the outer support 12 and the cylindrical coupling protrusion 120c is press-fitted to the inner support 11. A groove 130c is formed.

The rail support according to the fourth embodiment of the present invention does not require a separate support coupling member for maintaining a state in which the coupling protrusion 120c is coupled to the coupling groove 130c.

Referring to FIG. 4B, the rail support according to the fifth embodiment of the present invention is a support coupling device 13e for maintaining a coupled state when the external support 12 and the internal support 11 are assembled. Similar to the example, the support coupling member for maintaining the coupling protrusion 120d coupled to the coupling groove 130d is not used.

In the rail support according to the fifth embodiment of the present invention, a rectangular bar-shaped coupling protrusion 120d protrudes from the outer support 12, and a rectangular bar-shaped coupling protrusion 120d is press-coupled to the inner support 11. A quadrangular coupling groove 130d is formed.

The rail support according to the fifth embodiment of the present invention also does not require a separate support coupling member.

Referring to FIG. 4C, the rail support according to the sixth embodiment of the present invention is a support coupling device 13f for maintaining a coupled state when the external support 12 and the internal support 11 are assembled. Similar to the example, do not use a separate support coupling member.

In the rail support according to the sixth embodiment of the present invention, a first coupling protrusion 120f is formed at the front end of the external support 12 in the direction of travel of the rail, and the first coupling protrusion 120f and the external support 12 A first coupling groove 120e is formed between the bodies of the rails in the traveling direction.

In addition, a second coupling protrusion 130f is formed at the front end of the inner support 11 in the traveling direction of the rail, and between the second coupling protrusion 120f and the body of the inner support 11 in the traveling direction of the rail. 2 coupling grooves 130e are formed.

The first coupling protrusion 120f and the second coupling protrusion 130f extend in opposite directions, and the first coupling groove 120e and the second coupling groove 130e are also formed in opposite directions.

The rail support according to the sixth embodiment of the present invention is a support coupling device, and when the external support 12 and the internal support 11 are assembled in the rail direction, the first coupling protrusion 120f forms a second coupling groove 130e and the second coupling protrusion 130f is press-coupled to the first coupling groove 120e.

As described above, in the rail support according to the sixth embodiment of the present invention, when the outer support 12 and the inner support 11 are assembled, the first coupling protrusion 120f and the second coupling protrusion 130f form a second coupling groove. (130e) and the first coupling groove (120e) is press-fitted, so a separate support coupling member is not required.

The fourth to sixth embodiments can exhibit the same effect as the first embodiment in that a male and female coupling structure is employed between the internal support 11 and the external support 12 as a support coupling device.

5A and 5B are schematic and perspective views respectively showing that one rail displacement measuring device is installed on one rail along the longitudinal direction.

The rail displacement measuring device 101 according to the present invention can be implemented by installing one measurement sensor 50 on a rail support 10 installed along one rail 60, as shown in FIGS. 5A and 5B. .

The length of the rail support 10 may be manufactured to a size of at least 10 cm or less, and the measurement sensor 50 may also be manufactured to a size of at least 10 cm or less, preferably 4 × 4 cm.

In this case, as shown in FIGS. 1 and 5B , the measurement sensor 50 is fixed to the inside or outside of the rail support 10 in a state where one rail support 10 is installed on the rail 60 . 1 and 5B, the measurement sensor 50 is installed on the inner upper surface 10a of the rail support 10 using a fixing screw 18, and a pair is installed on the inner side 10a of the rail support 10. It is also possible to fix both ends of the measurement sensor 50 using the screw fastening holes 16 and 17 of the.

When the measurement sensor 50 is fixed to the upper surface 10a of the inner support 11, the space between the bottom support 54 and the upper surface 10a of the inner support 11 is made of an insulating material capable of absorbing vibration. It is preferable to fasten the fixing bolt or the fixing screw 18 to the screw fastening hole with the buffer member 40 inserted. When the vibration damping member 40 made of an insulating material is inserted between the bottom plate support 54 and the upper surface 10a of the inner support 11, it is possible to prevent the measurement sensor from being affected by train vibration.

In addition, when the vibration-absorbing member 40 is inserted between the bottom plate support 54 and the upper surface 10a of the inner support 11 and coupled, the vibration-absorbing member 40, the bottom plate support 54 and the inner support The upper surface 10a of (11) has a flat surface and has a wide contact area, so that the sensor measurement can be stably performed while preventing train vibration caused by train operation from affecting the measurement sensor.

Moreover, in the present invention, the measurement sensor 50 can be directly installed on the rail support 10 without using any intermediate member such as a connection bracket between the rail support 10 and the measurement sensor 50, so measurement according to indirect measurement. Rail displacement can be directly measured with high reliability without introducing errors.

Below, a small measuring sensor applicable to a small rail displacement measuring device installed along the longitudinal direction of a rail will be described.

Referring to FIGS. 13A to 13C , the small measurement sensor 50 applicable to the small rail displacement measuring device is formed in a rectangular box shape and has a structure in which the housing 50a is assembled to the bottom plate support 54.

As shown in FIG. 13B, the bottom plate support 54 is composed of a rectangular flat plate to be installed on the upper surface or side of one inner support 11 on one rail 60, and bolts to the inner support 11 on both sides, respectively. Alternatively, a through hole 53 used at the time of screwing is formed. In addition, the bottom plate support 54 has two through holes 54a formed on the inside of the through hole 53 to coincide with the screw fastening holes 54b of the enclosure 50a.

The enclosure 50a is formed in a rectangular box shape, and a screw fastening hole 54b fastened to the through hole 54a of the base plate support 54 when a bolt or screw is coupled is provided at a diagonal direction corner of the enclosure. Therefore, when bolts or screws are coupled to the through-holes 54a from the bottom of the base plate support 54, the enclosure 50a can be fixed to its upper surface.

An accommodation groove for accommodating various electronic components and a printed circuit board required to configure the measurement sensor 50 is formed inside the enclosure 50a, and a measurement cable 31 is connected through an entrance not shown.

In addition, a cover 50b fixed by bolts or screws may be installed on the top of the enclosure 50a for convenience of maintenance.

Referring to FIG. 14 , another type of small measurement sensor 50 applicable to a small rail displacement measuring device is formed in a cylindrical shape and has a structure in which a cylindrical enclosure 50a is assembled to a base plate support 54 .

In this case, the cylindrical housing 50a may be fixed to the base plate support 54 by bolts or screws, or by using an adhesive. In the bottom plate support 54, through holes 53 in the form of circular and long holes are formed on both sides of the inner supports 11 and 11a when bolted or screwed.

Referring to FIG. 15, in another type of compact measurement sensor 50, the enclosure 50a is formed in the shape of a quadrangular cylinder, and the first and second flanges are bent on both sides of the inlet to integrally extend, and the inlet has a cover. (50b) has a structure that is detachably fixed by a fixing bolt or fixing screw (50c) coupling.

The enclosure 50a, in which the first and second flanges are bent on both sides of the inlet, may be integrally manufactured using an NC machine.

The first and second flanges are formed with circular and elongated through-holes 53 on both sides of the inner supports 11 and 11a when bolted or screwed.

The small measurement sensor 50 according to the present invention may be formed in a rectangular box shape having a certain length.

As shown in FIGS. 5A and 5B, the rail displacement measuring device 101 according to the present invention in which the measurement sensor 50 is installed on the rail support 10 installed along one rail 60 is shown in FIG. As such, an inclination sensor (tilt sensor or tilt sensor) 42, a vibration sensor 43, an acceleration sensor, an optical sensor, a laser sensor, and a temperature sensor may be installed alone or in combination inside the measurement sensor 50. .

The measuring sensor 50 has a control unit 41 as a signal processing device inside, and controls the transmission of digital data by serial communication method by controlling the A/D converter and the wireless and wired modems 34 and 34a. A microprocessor having a memory device or a separate memory device, a programmable logic array, a microcontroller, a signal processor, or some or all of these It may be a combination including.

The wireless and wired modems 34 and 34a are communication chips for transmitting digital data from the measurement sensor 50 to the data logger 33 to be described later in a wireless or wired manner under the control of the control unit 41 . The wireless modem 34, for example, has a built-in CDMA wireless modem and is connected to the data logger 33, and transfers measurement data to the Internet network 35 through a wireless communication antenna 34b. System server 38 connected to the Internet network 35 send to

The measurement sensor 50 may include a GPS module 44 and a GPS antenna as needed, receive a signal from a Global Positioning System (GPS) satellite, calculate a current location (coordinates), and provide location information. .

The measurement sensor 50 basically includes an inclination sensor 42, and when displacement of the rail 60 occurs, the inclination is measured and output as an electrical signal.

The inclination sensor 42 may use any one of a VIBRATING WIRE TYPE sensor, an electrical resistance sensor, an ELECTRO LEVEL (EL) sensor, a Micro Electro Mechanical System (MEMS) sensor, and an accelerometer sensor.

In this case, the inclination sensor uses a 1-axis inclination sensor with a built-in analog/digital (A/D) converter to measure the left and right or up-and-down twist of the rail, or is manufactured in 3 axes and measures the distance between the rails, the left and right and left and right sides of the rail. A 3-axis inclination sensor capable of detecting vertical twisting can be used.

The rail displacement measuring device 101 according to the present invention measures (X, Y, Z) displacements of the measured points, respectively, as shown in FIG. By doing this, it is possible to determine the longitudinal settlement of the rail based on the X-axis displacement, the left and right line twist of the rail based on the Y-axis displacement, and the upper and lower surface twist of the rail based on the Z-axis displacement.

In addition, if a temperature sensor is used as an auxiliary, it is possible to correct the measurement error of the line exposed in all seasons.

Figure 6 is a schematic diagram showing that two rail displacement measuring devices are installed along the longitudinal direction on one rail.

As shown in FIG. 6, in the rail displacement measuring device according to the present invention, two rail supports 10 are installed along one rail 60 at a predetermined interval L, and each rail support 10 By installing two measuring sensors 50 in the two rail displacement measuring devices 101 and 102 can be installed at predetermined intervals.

In this case, a cable 31 is connected between the two measurement sensors 50, and the cable 31 is preferably protected with a cable case for safety.

When each of the two measurement sensors 50 includes the inclination sensor 42 of coordinates (x1, y1, z1) and the inclination sensor 42 of coordinates (x2, y2, z2), the two measurement sensors 50 When each of the (X, Y, Z) displacements of the measuring point is measured, the displacement between the two measurement sensors 50 can be measured.

That is, the section displacement can be simply measured by x1-x2 = x12, y1-y2 = y12, and z1-z2 = z12.

7 is a schematic configuration diagram showing a rail displacement measurement system according to the present invention constructed by combining a plurality of rail displacement measurement devices.

The rail displacement measuring system according to the present invention may be configured by combining a plurality of rail displacement measuring devices as shown in FIG. 7 .

Referring to FIG. 7 , some of the plurality of rail displacement measurement devices may have a mixed installation structure in which a pair of rails 60 and 60a are connected to each other, and some are installed along one rail 60 .

First, in the case of the rail displacement measuring device 100 that measures the amount of ground subsidence by the displacement of the distance between the rails 60 and the rail 60a and the change in the tilt value of the left and right rails, the measurement sensor 50 is a pair of rails ( 60, 60a) are installed to interconnect them.

In this case, the through hole 53 formed in the pair of connection brackets 51 and 52 provided at both ends of the measurement sensor 50 and the upper surface 10a of the inner support 11 supporting the pair of rails 60 It is fixed by fastening a fixing bolt or a fixing screw 18 having a loosening prevention function to any one of the screw fastening hole formed on the screw fastening hole or the screw fastening hole 17 formed on the side surface 10b.

The measurement sensor 50 has a cylindrical or rectangular case as shown in FIG. 12, and a length sensor or an inclination sensor (tilt sensor or tilt sensor), an acceleration sensor, an optical sensor, or a laser sensor are installed alone or in combination therein and can be installed.

The pair of connection brackets 51 and 52 coupled to both ends of the case of the measurement sensor 50 have their front ends bent at right angles so that the measurement sensor 50 is installed at the lowest possible position when installed on the internal support 11, and is flat. It is preferable that through holes 53 are formed in the surface.

The measurement sensor 50 is composed of a block diagram as shown in FIG. 9, and has a length sensor required to measure the displacement between the rail 60 and the rail 60a first.

When using the length sensor, the length sensor module is built into the case, and the fixed rod and the moving rod protrude from both ends of the case, and the displacement of the rail 60 occurs due to the subsidence or movement of the rail to the side In this case, the variable/moving length of the moving rod is measured and detected as an electrical signal. One of the pair of connection brackets 51 and 52 may have a structure of a moving rod whose length is variable/movable from the case when the rail 60 is displaced.

In addition, the pair of connection brackets 51 and 52 may be coupled to both ends of the case of the measurement sensor 50 to serve as sealing caps for sealing both ends.

The length sensor may use any one of a VIBRATING WIRE TYPE sensor, an electrical resistance sensor, a non-contact sensor (LVDT), a strain gauge sensor, an optical sensor, and a laser sensor according to field conditions, and the The inclination sensor may use any one of a VIBRATING WIRE TYPE sensor, an electrical resistance sensor, an ELECTRO LEVEL (EL) sensor, a Micro Electro Mechanical System (MEMS) sensor, and an accelerometer sensor.

In this case, the length sensor is preferably an electrical resistive sensor because of its simple structure and low cost.

In addition, in the present invention, since the vibration-absorbing member 40 made of an insulating material is inserted between the rail support 10 and the measurement sensor 50 at the same time as the non-conductive rail support 10 is used, the gap between the two rails 60 and 60a Even if the rail displacement measuring device 100 is installed, insulation is guaranteed between the two rails 60 and 60a. Therefore, even if the rail displacement measuring device 100 is installed between the two rails 60 and 60a, it does not affect the use of the rails 60 and 60a as a track network for train communication. Furthermore, by securing an insulation state between the rails 60 and 60a, it is possible to prevent overvoltage induction, thereby ensuring stability of train operation.

In the present invention, when the rail support 10 on which the measurement sensor 50 is installed is installed on the rail 60, the inner support 11 and the outer support for accommodating 1/2 of the lower flange 62 of the rail 60 After installing (12) on the rail 60, the inner support 11 and the outer support 12 are maintained in a coupled state by the support coupling device 13 that binds them, and damage to the rail 60 is prevented. can do.

In addition, in the present invention, the first and second grooves 14 and 15 formed on the inner support 11 and the outer support 12 have an inner circumferential surface in which surface contact is made with the lower flange 62 of the rail 60, As a result, the mutually coupled contact area is wide, resulting in stable coupling. As a result, since the measurement sensor 50 is installed on the rail support 10 stably installed on the rail 60 as described above, the measurement value obtained by the measurement sensor 50 can stably detect the rail displacement.

In this case, in the present invention, since the measurement sensor 50 can be directly installed on the rail support 10 without using any intermediate member between the rail support 10 and the measurement sensor 50, measurement error does not occur and reliability is high. Rail displacement can be measured directly.

The rail support 10 can be made of a metal material, and can also be manufactured using a synthetic resin having excellent insulation, support strength, and elasticity. In this way, when the non-conductive rail support 10 is used, overvoltage is induced in the rail 60 As it can be blocked, it secures the stability of train operation and does not affect the track network for train communication.

In the case of measuring the twisting of the rail line due to the left and right displacement of the rails 60 and 60a or the twisting of the rail surface due to the vertical displacement of the rail, as shown in FIG. It can be installed at regular intervals along one rail (60, 60a) by using.

In FIG. 7 , the measurement sensor 50 is installed at intervals on one rail 60 using the rail support 10, but the rail support 10 is not shown.

When the measuring sensors 50 are installed at intervals on one rail 60, since the measuring sensors 50 are small, they can be installed on each inner supporter 11 or each outer supporter.

Moreover, the measurement sensor 50 may be installed not only on the upper surface 10a and the side surface 10b of the rail support 10 but also on the lower surface 10c if necessary.

The measuring sensor 50 may be installed on either the inner support 11 inside the rail or the outer support 12 outside the rail.

Since the measurement sensor 50 is installed between the rails 60 and 60a of the standard gauge when the length sensor is built-in, it has a length of at least 1400 mm, but is installed along one rail 60 and 60a. It is preferable to be miniaturized to a smaller size than the rail support 10.

Referring to FIG. 7 , a rail displacement measurement system according to the present invention will be described.

Referring to FIG. 7, in the rail displacement measuring system according to the present invention, a plurality of rail displacement measuring devices 100 are installed between rails 60 and 60a in areas where ground subsidence is expected, and one rail 60 A plurality of rail displacement measuring devices 101 to 103 are installed along.

The rail displacement measuring devices 100 to 3 are installed on the rail in such a way that the rail support 10 surrounds the lower portions of the rails 60 and 60a and is thus disposed between the sleepers.

The rail displacement measuring device 100 installed between the rails 60 and 60a may measure the distance displacement between the rails 60 and 60a by a built-in length sensor.

In addition, the rail displacement measuring device 100 installed between the rails 60 and 60a may measure the settlement of one side of the rails 60 and 60a by having a tilt sensor instead of a length sensor.

In addition, when the coordinate values of the rail displacement measuring device 101 and the rail displacement measuring device 104 installed on both sides of the opposite rails 60 and 60a are signal-processed, the rail left and right inclination values are detected and the rail (Ground) Settlement can be measured.

Moreover, each of the plurality of rail displacement measuring devices 101 to 104 installed along one rail 60 at intervals of a predetermined distance L basically has a built-in inclination sensor, and measures the inclination value of the rail 60. By detecting it, it is possible to judge the longitudinal settlement of the rail based on the X-axis displacement, the left and right line twist of the rail based on the Y-axis displacement, and the upper and lower surface twist of the rail based on the Z-axis displacement.

The rail displacement measurement system according to the present invention measures the analog measurement value measured by each measurement sensor 50 of the rail displacement measurement devices 100 to 104 to the system server 38 through the Internet network 35. It is transmitted according to the communication method between the rail displacement measuring devices 100 to 104 in which the sensor 50 is built and the data logger 33.

First, in the low-end model, the rail displacement measurement devices 100 to 104 each having a built-in measurement sensor 50 use a measurement system connected to a multi-channel measurement module (not shown), and in the high-end model, the measurement system shown in FIG. As shown, A/D (analog/digital) conversion and communication functions are built into the rail displacement measuring devices 100 to 104 together with the measurement sensor 50, and a plurality of rail displacement measuring devices 100 to 104 are 1-line bus type. It is connected to the data logger 33 and transmits the measurement data using the serial communication method.

When the rail displacement measurement system does not use a multi-channel measurement module, as shown in FIG. 9, the rail displacement measurement devices 100 to N are wired as an A/D converter and a communication module together with the measurement sensor 50, respectively. A wired modem 34a for communication is provided.

The A/D converter and the communication module are built into a plurality of rail displacement measurement devices and constitute communication means for converting and transmitting the rail displacement signal into digital data.

The A/D converter is an analog/digital (A/D) converter for converting the analog rail displacement signal measured by the measurement sensor 50 into digital data suitable for digital data communication, and the communication module transmits data from the measurement sensor 50. It is a communication chip for transmitting digital data to the logger 33.

In this case, a 1-line bus method using a 1-channel cable 31 is connected between the plurality of rail displacement measuring devices 100 to 104 and the data logger 33, and RS-232, RS-422, Transmission can be made by one of the serial communication methods of RS-485.

The data logger 33 stores the received digital measurement data in a memory and transmits the measurement data to the system server 38 connected to the Internet network 35 through a wireless modem 34 through wireless communication.

* The system server 38 stores the received measurement data, and the distance between the rails 60 and 60a changed from the measurement data of the length displacement and / or the inclination displacement, the ground subsidence amount due to the change in the left and right inclination of the rail, and the rail 60 ) is obtained along the length direction of the rail line or the twist of the rail surface according to the vertical displacement of the rail, and the measurement data is analyzed by comparing it with a preset standard reference value, and a number of measurement related persons (ie, field personnel) and management Measurement data is provided so that the person in charge can check the analyzed data through the manager computer 36 and the supervisor portable terminal 37 connected to the Internet network 35.

Each of the rail displacement measuring devices 100 to 104 includes a measurement sensor 50 installed on the rail support 10, and the measurement sensor 50 includes, for example, a length sensor and/or an inclination sensor.

In the rail displacement measuring system according to the present invention, railroad ground subsidence and structure deformation (installed on an underground tunnel or bridge) due to natural disasters such as earthquakes and floods, civil engineering works adjacent to railroad tracks, or fatigue of structures (piers or tunnels) over a long period of time When the displacement of the rails (60, 60a) occurs due to the railroad sleeper), the rail 60 After A/D conversion of the analog rail displacement signal for the length displacement and inclination displacement detected by the length sensor and the inclination sensor for the gauge distance of ,60a) and the subsidence or twist of the rails 60 and 60a, data communication It is transmitted to the data logger (33).

The data logger 33 receives and stores digital measurement data through data communication, and sends it to the system server 38 connected to the Internet network 35 through wireless communication through a wireless modem 34.

In this case, the data logger 33 may transmit measurement data to the system server 38 connected to the Internet network 35 using a wired modem instead of the wireless modem 34 .

In the present invention, the system server 38 connected to the Internet network 35 transmits measurement data from the data logger 33 to the Internet network 35 connected to a well-known public network, for example, wireless communication or wired communication. Measurement data can be received in real time.

Thereafter, the system server 38 stores the received measurement data for the gauge distance and length displacement between the rails 60 and 60a and the tilt displacement of the rails 60 and 60a, and measures the distance and displacement amount changed from the stored measurement data. It is converted into settlement amount, and analysis of rail stability and the like is performed by comparing it with preset standard reference values (eg, standard gauge distance, maximum Kent value, etc.). Based on the analyzed data, the system server 38 automatically sends an alarm message to the supervisor portable terminal 37 when the measured value deviate from the standard reference value and the rail stability falls, such as a text message, for example, SMS (Short Message Service) communication method transmission is made to

In addition, a number of people involved in measurement, that is, a site manager and a manager, can check the analyzed data for rail stability through the manager computer 36 connected to the Internet network 35.

In the present invention, the rail displacement measurement using the rail displacement measuring devices 100 to 104 is measured on a daily, weekly or monthly basis according to the natural climatic state of the expected subsidence area through which the rail passes, and simple cumulative displacement is synthesized.

In this way, the stability of the rail is determined by comparing the cumulative displacement measured on a daily, weekly or monthly basis with a reference value for each site.

In other words, based on the rail on the opposite side of the expected settlement area, displacement of the rails in the expected settlement area begins to occur gradually, and the measuring device installed closest to the expected settlement area detects the rail displacement through repeated measurements over a long period of time. When the measurement signal is transmitted, the measurement data is stored in the system server 38 .

Accordingly, the system server 38 determines whether the length displacement of the rail is out of the preset standard reference value, for example, the lower limit or the upper limit of the standard gauge deviation range (-4mm or +7mm) by the analysis program, and determines whether the standard If it is out of the standard range, it is automatically transmitted as a text message (SMS communication method) to the supervisor's portable terminal 37 or the like as an alarm message. As a result, the rail and railroad ground at the point where the rail displacement has occurred are repaired or the related work in progress is stopped.

Therefore, in the present invention, when displacement occurs in the rails 60 and 60a due to railroad ground subsidence and structural deformation from a remote place, the safety state of the railroad rail can be automatically measured at all times by measuring the amount of rail displacement.

The rail displacement measuring system according to the present invention shown in FIG. 8 is the rail displacement amount shown in FIG. There is a difference between the measurement system.

The rail displacement measuring devices 100a to 104a having a wireless communication function are each composed of a measurement sensor 50 installed on a rail support 10, and the measurement sensor 50 is, for example, a length sensor and/or an inclination sensor. provide etc.

In this case, the measurement sensor 50 may include a wireless modem 34 and an antenna 34b for wireless communication as shown in FIG. 9 , and wireless communication may be performed between the measurement sensors 50 .

The data logger 33 includes a wireless modem 34 necessary for wireless communication with the rail displacement measurement devices 100a to 104a, and generates a unique identification address (ID) for each measurement sensor 50 to control wireless communication for each sensor carry out

The wireless communication method of the wireless modem 34 may employ, for example, Zigbee, which is a short-distance wireless communication method, and is a low-speed, low-cost, and low-power method at a low transmission rate (250 kbps) within a radius of several tens of meters. It is possible to communicate with multiple sensors of dogs (255ea) only with batteries. Therefore, the rail displacement measuring devices 100a to 104a of the present invention can be configured as a Ubiquitous Sensor Network (USN) that manages in real time by inputting a unique identification number to the sensor.

In this case, the controller 41 transfers the digital measurement data measured by the length sensor and/or the tilt sensor to the wireless modem 34 of the data logger 33 located in a remote location through the built-in wireless modem 34. .

In addition, the data logger 33 transmits measurement data to the system server 38 connected to the Internet network 35 using the built-in wireless modem 34 .

As described above, the rail displacement measurement system of the present invention constitutes an automatic measurement system capable of comprehensively analyzing and alerting the stability of railroad tracks in three dimensions.

In the present invention described above, a length sensor and an inclination sensor may be simultaneously installed in one rail displacement measuring device at one point, or only one of the length sensor and the inclination sensor may be installed.

In addition, in the description of the embodiment shown in FIG. 7, a plurality of rail displacement measuring devices 101 to 104 installed along one rail at intervals of a predetermined distance L are each basically equipped with an inclination sensor, and the rail ( 60) to measure the twist of the rail line along the length of the rail or the twist of the rail surface according to the vertical displacement of the rail by detecting the slope value according to the left and right displacement of the rail, but a length sensor between the plurality of rail displacement measuring devices 101 to 103 It is also possible to measure the gap displacement of the corresponding section.

As described above, in the present invention, by employing a male and female coupling structure between the internal support and the external support to maximize the mutual coupling area, strong coupling against vibration and shock can be achieved.

In addition, in the present invention, as the internal and external supports installed on the rail have a symmetrical external shape and a rail receiving groove, the coupling force applied to the rail is uniform up and down / left and right, so that coupling deviation does not occur and does not affect the rail .

Furthermore, in the present invention, it is possible to couple using a male and female fastening groove structure without using a separate fixing bolt between the inner support and the outer support.

In the present invention, by directly installing a small measuring sensor, for example, less than 10 cm, on one rail support composed of internal and external supports to directly measure the displacement of the rail, both ends of the rail are installed at two points as in the prior art. Measurement errors that may occur due to changes/displacements such as bending or twisting of a sensor case (rod) longer than 1m long mounted on a rail can be eliminated by the support.

In the present invention, without fixing both ends of the rail displacement measuring device to a pair of rail supports and without using unnecessary additional devices such as hinges on the rail supports, it is directly installed on one rail support to directly detect the change in the rail. Accuracy is high.

In the present invention, by installing a plurality of measurement sensors at regular intervals along the length of the rail, it is possible to measure the displacement in the longitudinal direction of the rail and the inclination, twist, and settlement of the rail for each section.

When installing the rail support on the rail, after installing the inner support and the outer support that accommodate 1/2 of the lower flange of the rail on the rail, fasten the support coupling member to the rail support to prevent damage to the rail. there is.

In addition, as the rail support has an inner circumferential surface according to the shape of the rail and is coupled with the rail in surface contact, a stable coupling is achieved with a large contact area, and stable detection of the rail displacement can be achieved.

Moreover, since the measurement sensor can be directly installed on the rail support without using any intermediate member between the rail support and the measurement sensor, the rail displacement can be directly measured with high reliability without causing measurement errors.

In the present invention, by using a non-conductive rail support, it is possible to prevent overvoltage induction on the rail, thereby securing the stability of train operation and not affecting the track network for train communication.

In the above, the present invention has been shown and described as specific preferred embodiments, but the present invention is not limited to the above embodiments and is common knowledge in the art to which the present invention belongs within the scope of not departing from the spirit of the present invention. Various changes and modifications will be possible by those who have

The present invention relates to a rail support, a rail displacement measuring device using the same, and a rail displacement measuring system using the same, and relates not only to railway rails, but also to civil structures when a measuring sensor is installed in road and slope construction landfills, soft ground and dam embankment construction. It can also be applied to the deformation measurement device for each structure that monitors the settlement and behavior of the structure.

10: rail support 10a: upper surface
10b: side surface 10c: lower surface
11: inner support 12: outer support
13 ~ 13f: support coupling device 19: support coupling member
14,15: groove 14a: inner wall
14b: lower surface 14c: upper surface
16,17: screw fastening hole 18,50c: fixing screw
20: fixing pin 31: measuring cable
33: data logger 34: wireless modem
34a: wired modem 35: Internet network
36: manager computer 37: mobile terminal
38: system server 40: vibration damping member
50: measurement sensor 50a: enclosure
50b: cover 51,52: connection bracket
53,54a: through hole 54: bottom plate support
54b: screw fastening holes 60,60a; rail
61: upper flange 63: middle part
62: lower flange 100 to 104: rail displacement measuring device
120~120f, 130f: Coupling protrusion 120e, 130~130e: Coupling groove

Claims (8)

It is installed to surround the lower flange of the rail and a rail support for a rail displacement measuring device in which one measurement sensor for measuring the displacement of the rail is mounted in a surface contact structure on one of the upper surface and the side surface,
an inner support having a first groove on one side for accommodating one side of the lower flange;
An external support having a second groove on one side for accommodating the other side of the lower flange; and
A support coupling device for binding and fixing the inner support and the outer support when the inner support and the outer support are mutually combined to accommodate the lower flange of the rail in the first and second grooves,
The support coupling device,
a coupling protrusion protruding from a body of one of the outer support and the inner support; and
Including; a coupling groove in which the coupling protrusion is coupled to face the coupling protrusion inside the body of one of the inner support and the external support,
The inner support and the outer support are snap-coupled by employing a male and female coupling structure in coupling protrusions and coupling grooves, and the lower flange of the rail is for a rail displacement measuring device in which surface contact is made with the inner circumferential surfaces of the first and second grooves having a symmetrical structure. rail support. delete delete According to claim 1,
The measurement sensor is at least one of a length sensor, an inclination sensor, an acceleration sensor, a GPS sensor, a gyro sensor, an optical sensor, and a laser sensor. According to claim 1,
The inner support and the outer support are each made of an upper surface, an outer surface, and a lower surface in a mutually orthogonal relationship, and the upper surface and the lower surface are rail supports for a rail displacement measuring device having a parallel relationship. delete at least one rail support that is installed at intervals along one rail and receives and supports the lower flange of the rail therein; and
At least one measurement sensor fixed to each of the at least one rail support and measuring the displacement of the rail; includes,
The rail support is a rail displacement measuring device of claim 1. A plurality of rail displacement measuring devices installed at intervals along one rail to detect rail displacement;
a data logger for receiving rail displacement data measured from the plurality of rail displacement measurement devices and transmitting the data to a public network; and
A system server for determining the stability of the rail by comparing it with a preset standard reference value after receiving the rail displacement data transmitted from the data logger through the public network,
The plurality of rail displacement measurement devices are each rail displacement measurement device of claim 7, the rail displacement measurement system.

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