KR100814485B1 - Survey equipments for light electric railway load - Google Patents

Abstract

A survey unit for an electric light railway rail is provided to improve drivability of the electric light railway rail by easily removing foreign substances on the rail. A survey unit for an electric light railway rail includes a body(200). The body has wheels(240) beneath both sides thereof and includes a foreign substance remover(300), an imaging part(400), and a friction part(500). The foreign substance remover removes foreign substance on the electric light railway rail. The imaging part scans ground of the electric light railway rail or records images of the ground of the electric light railway rail. The friction part measures a friction force between the electric light railway rail and an electric light railway vehicle.

Description

Light rail track research equipment {Survey equipments for light electric railway load}

1 is a perspective view of a light rail traveling equipment according to an embodiment of the present invention,

Figure 2 is a perspective view of the foreign material removing unit shown in Figure 1,

3 is a perspective view of another embodiment of the foreign material removing unit shown in FIG. 1;

4 is a perspective view of an image unit shown in FIG. 1;

5 is a perspective view of the friction part shown in FIG.

<Description of the symbols for the main parts of the drawings>

Light rail track survey equipment 200

210.Support frame 220

230 ... Rear proof shaft 240 ... Transfer wheel

300 ... debris removal part 310a, 310b ... support shaft

320a, 320b ... power motor 330 ... brush

340 Foreign substance aspirator 400

410 support bar 420 detection scan

430 Detector Camera 440 Inclination Sensor

500 ... friction unit 510 ... connection shaft

520 Driving wheels 530

540 Torque sensor 550 Water spray nozzle

560 load plate

The present invention relates to a light rail track research equipment, and more particularly, to remove foreign substances in the light rail track and to measure flatness and cross level, and to simultaneously measure friction force between the light rail wheel and the track, It relates to a light rail track survey equipment to reduce the measurement error according to the measurement and to make accurate measurements.

In general, the research equipment for light rail tracks include the flatness measurement to measure the flatness of the roadway, the cross-level measurement to measure the elevation difference at the specific point of the roadway, and the frictional force between the travel wheels and the roadway of the light rail. Equipment for performing friction force measurements is disclosed.

In this case, when measuring the flatness of the road, the gap between the straight line and the road surface is measured visually by measuring the gap between the straight line and the road surface using a 3m straight line to record and measure the unevenness of the road. do.

However, this measurement method is not only time-consuming and cumbersome, but also may result in measurement deviations depending on the measurement person, and results may vary, and measurement errors may occur due to repeated measurements. do.

And, when measuring the cross-level, which is the elevation difference of the road, the level is positioned at a certain point of the road using the level and the level axis is positioned at the same point horizontally so that the measurer checks the height of the level axis on the road through the level. By measuring the elevation of the point where the level axis is located.

However, this measurement method is measured by considering the measured value of a point as a representative value of a certain section, there is a problem that does not accurately measure the elevation height.

And, in order to measure the frictional force of the driving road, the BPT measuring the magnitude of the frictional force by the height that rises in response to the weight depending on the degree of friction generated while passing the bottom of the position to measure the weight having a certain weight ( British pendulum tester) is mainly used.

However, such a measuring method is impossible to measure the entire driving path, and since the representative value of a certain section is measured and used, accurate measurement of the friction force is impossible.

The present invention was created in order to solve the above problems, it is possible to simultaneously and accurately measure the flatness and cross-level of the light rail driving road, the friction force with the light rail driving wheels, to remove foreign substances in the road and the situation of the road It is an object of the present invention to provide a light rail track research equipment that has improved its structure so that it can be recorded as an image.

Other objects and advantages of the invention will be described below and will be appreciated by the embodiments of the invention. Furthermore, the objects and advantages of the present invention can be realized by means and combinations indicated in the claims.

Light rail runningway research equipment of the present invention for achieving the above object, a pair of support frame, a front support shaft coupled to each end of the support frame, and a rear support coupled to each other end of the support frame A body including a support shaft and transfer wheels provided at both ends of the front support shaft and the rear support shaft to be transported along the guard rail installed on the outer wall of the driving path; A debris removal unit coupled to the support frame of the body to remove debris on the road; An image unit coupled to a central portion of the support frame of the body and scanning the ground surface according to a traveling direction of the body; And a friction unit coupled to the rear support shaft of the body and configured to measure a frictional force on the driving wheel that is applied to the driving path by the torque sensor and the driving wheel.

Here, the foreign material removing unit, it is preferably provided with a support shaft connected to the support frame of the body, the brush is connected to the support shaft, while removing the foreign matter in the driving path while being rotated by the power motor.

In addition, the foreign matter removing unit, the support shaft is connected to the support frame of the body, it is preferably provided with a foreign material inhaler connected to the support shaft, the foreign material to suck the foreign matter in the driving path by the power motor.

The imaging unit includes a support bar having both ends coupled to the pair of support frames, connected by the support bar, and configured to scan a driving path to measure flatness and cross level, and to be located behind the detection scan. It is preferably provided with a sensing camera for recording the state of the driving path as an image.

In addition, the friction portion, one end of the connecting shaft is hinged to the rear support shaft of the body, both ends are coupled to the driving wheel, the outer peripheral surface is coupled to the rotating shaft rotatably coupled to the connecting shaft in the state that the torque sensor is coupled And a water spray nozzle coupled to one side of the connecting shaft to supply water to the driving path in front of the driving wheel, and a load plate applying the same load as that of the celebration of light rail at the upper connecting shaft.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

      Prior to this, terms or words used in the specification and claims should not be construed as having a conventional or dictionary meaning, and the inventors should properly explain the concept of terms in order to best explain their own invention. Based on the principle that can be defined, it should be interpreted as meaning and concept corresponding to the technical idea of the present invention.

      Therefore, the embodiments described in the specification and the drawings shown in the drawings are only one of the most preferred embodiments of the present invention and do not represent all of the technical spirit of the present invention, these are various alternatives at the time of the present application It should be understood that there may be equivalents and variations.

1 to 5 are perspective views showing the light rail traveling road survey equipment according to an embodiment of the present invention.

Referring to the drawings, the light rail drivingway research equipment 100 according to an embodiment of the present invention has a body 200 is provided with a transfer wheel 240 on both sides, the body 200 is made of foreign matter The reject 300, the video unit 400, and the friction unit 500 are provided.

The body 200 is a member that moves along the path of light rail.

The body 200 is provided with a pair of support frames 210, one end of each of the support frame 210 is connected to the front support shaft 220, the other end to the rear support shaft 230 Connected.

In addition, both ends of the front support shaft 220 and the rear support shaft 230 is provided with a transfer wheel 240 that is transported along the guard rail provided on the outer wall of the driving path.

Here, the transfer wheel 240 provided at both ends of the rear support shaft 230 is provided with a travel recording device (not shown) that can determine the moving position and the travel distance according to the rotation.

Therefore, the body 200 is transported in a state supported by the guard rail installed on the outer wall of the driving path in accordance with the rotation of the transfer wheel 240 provided at both ends of the front support shaft 220 and the rear support shaft 230. The moving position and the travel distance of the body 200 are measured by the driving recording apparatus.

The foreign substance removing unit 300 is a member for removing foreign substances on the light rail driving path.

The foreign matter removing unit 300 is provided with a support shaft 310a connected to the support frame 210 of the body 200 as shown in FIG. 2, and the support shaft 310a is driven by power. Power motor 320a for generating a rotational force is provided.

In addition, the power motor 320a is provided with a brush 330 that is rotated by the rotational force of the power motor 320a to remove foreign substances on the driving path.

Here, the shaft of the power motor 320a is interconnected by the shaft of the brush 330 by a chain or belt, and the brush 330 is rotated in accordance with the rotational force of the power motor 320a to remove foreign substances on the driving path. Will be removed.

On the other hand, as another embodiment of the foreign material removing unit 300 is provided with a support shaft 310b connected to the support frame 210 of the body 200, as shown in Figure 3, the support shaft 310b It is provided with a power motor 320b for generating a suction force by the power.

In addition, one side of the power motor 320b is provided with a foreign material inhaler 340 for sucking the foreign matter in the driving path by the suction force.

That is, the foreign matter removing unit 300 is to suck the foreign matter of the driving path to the foreign material inhaler 340 by the suction force of the power motor 320b to discharge to the outside.

The imaging unit 400 is a member that scans the surface of the light rail driving path or records an image.

As shown in FIG. 4, the image unit 400 includes a support bar 410 having both ends connected to the support frame 210, respectively, and is connected to a central portion of the support bar 410. A detection scan 420 is provided for scanning.

Here, the sensing scan 420 is scanned while moving the ground surface of the driving path in accordance with the movement of the body 200.

In this case, the sensing scan 420 scans the ground in a state where the standard flat value and the cross level value are stored, and compares the measured value and the standard value by scanning to measure the flatness and the cross level.

In addition, the sensing scan 420 is connected to the driving recorder of the body 200 to enable measurement of flatness and cross level of a predetermined position.

In addition, the rear side of the detection scan 420 is provided with a detection camera 430 for recording the state of the driving path as an image.

Here, the detection camera 430 is moved in accordance with the running of the body 200 to provide in real time the crack and damage of the runway according to the repeated operation of the light rail.

In addition, one side of the support bar 410 of the image unit 400 is provided with an inclination sensor 440 for measuring the inclination and cross-sectional inclination of the traveling path.

The inclination sensor 440 is connected to the detection scan 420, and the longitudinal slope and the cross-sectional inclination of the flatness and cross level values measured by the detection scan 420 are measured by the inclination sensor 440. The values are combined to compare the shape of the roadway design with that of the actual roadway.

Therefore, by recognizing the problem of the driving caused by the difference in the radius of the inner and outer curve of the curved road to adjust the rotation rate of the outer wheel and the inner wheel of the actual light rail so that there is no problem in the curve driving.

The friction part 500 is a member for measuring a friction force between the driving wheel of the light rail and the light rail driving path.

The friction part 500 is provided with a connecting shaft 510 hinged to the rear support shaft 230 of the body 200, as shown in Figure 5, one end of the connecting shaft 510 It has a rotating shaft 530 is coupled to be rotatable in a state in which the driving wheel 520 is provided at both ends.

Here, the driving wheel 520 uses the same wheels used in actual light rail.

In addition, a torque sensor 540 is provided on an outer circumferential surface of the rotating shaft 530 in contact with the rotating shaft to rotatably measure a torque.

In addition, one side of the connecting shaft 510 is provided with a water spray nozzle 550 for supplying water to the driving road in front of the driving wheel 520 to be maintained in the wet state of the driving road, the connecting shaft 510, the upper portion is provided with a load plate 560 for applying the same load as the celebration of light rail.

Therefore, the friction part 500 is the degree that the driving wheel 520 rotates the driving path and the rotating shaft 530 is the torque in the state in which the load plate 560 applied the same load as the celebration of light rail By measuring the degree of contact with the sensor 540, the driving wheel 520 measures the frictional force in contact with the road.

In addition, by forming the driving path in the wet state by the water supplied from the water spray nozzle 550, it is possible to measure the friction force applied to the driving wheel 520 of the light steel to run the driving road in the rain. .

As such, the operation of the light rail traveling survey equipment 100 according to the preferred embodiment of the present invention will be described with reference to FIGS. 1 to 5.

First, the light rail traveling path research equipment 100 is gradually moved in a state in which the transfer wheel 240 of the body 200 is supported by a guard rail installed on an outer wall of the driving path.

At this time, the brush 330 of the foreign matter removing unit 300 is rotated, and the foreign matter on the driving path is removed by the rotating brush 300.

Thereafter, the sensing scan 420 of the imaging unit 400 operates to scan the driving path from which foreign substances have been removed.

Here, the sensing scan 420 compares the flatness value and the cross level value measured by scanning the driving path with the stored standard folding value and the cross level value to measure the unevenness of the driving path and the elevation difference of the driving path. In cross level is measured.

Then, as the detection camera 430 of the image unit 400 is operated to record the state of the driving road as an image, and the cracked and damaged state of the driving road according to the repeated operation of the light rail by the recorded image.

In addition, when moving the curved driving path, while the inclination sensor 440 of the image unit 400 operates to measure the longitudinal slope and the cross-sectional inclination of the driving path, the value measured by the inclination sensor 440 and the detection scan The combination of the values measured at 420 may be used to extract the design of the driving path shape.

Therefore, by comparing the actual road shape structure and the design of the road shape structure extracted by the inclination sensor 440, the stable driving of the curve by adjusting the rotation rate of the outer wheel and the inner wheel of the real light rail of the real light rail To be

In addition, the friction part 500 includes the load plate 560 that applies the same load as that of the celebration of light rail, and allows the driving wheel 520 and the rotation shaft 530 to rotate according to the movement of the body 200. do.

Here, the torque sensor 540 stored a constant rotational force to measure the torque (torque) of the rotating shaft 530 according to the rotation of the driving path and the driving wheel 520 to measure the friction force applied to the driving wheel 520.

In addition, by using the water supplied from the water spray nozzle 550 of the friction part 500 in the same way as the situation when the light rail in the rain it is to measure the friction force generated in the running road and the driving wheel in the wet state.

As described above, the light rail traveling path research equipment 100 includes the foreign material control part 300, the image part 400, and the friction part 500 on the body 200 moving the light rail travel path. Rapidly measure safety management measurement items of light rail roadways by simultaneously removing foreign objects from roadways, measuring flatness and cross-levels, measuring slopes and cross slopes on curved roadways, and measuring friction forces on wheels. can do.

In addition, by measuring the safety scan by the detection scan 420, the tilt sensor 440, the torque sensor 540 reduces the error of the value measured to enable accurate measurement, the detection camera 430 By providing the image of the driving path by the image it is possible to check the crack and damage of the driving path in real time.

As described above, according to the light rail track research equipment according to the present invention provides the following effects.

First, the image part provided in the light rail traveling path research equipment and the friction part can simultaneously measure the flatness and cross level of the driving path, the longitudinal slope of the curved driving path, the cross slope and the friction of the driving wheel. Quickly measure safety management metrics.

Second, the measurement scan is reduced by the detection scan, tilt sensor, and torque sensor to enable accurate measurement.

Third, by removing the foreign matter of the light rail driving path easily by the foreign material removal unit, it prevents the foreign matter phenomena of the driving road to improve the running of light rail.

Fourth, it is possible to monitor the damage and the condition of the facility in real time by providing an image of the driving path between the movement of the light rail by the detection camera as an image.

Fifth, it is possible to measure the frictional force applied to the driving wheels in rainy weather by providing the same condition as the light rail driving conditions in rainy weather by keeping the driving path wet by water supplied from the water spray nozzle.

As described above, although the present invention has been described by way of limited embodiments and drawings, the present invention is not limited thereto and is intended by those skilled in the art to which the present invention pertains. Of course, various modifications and variations are possible within the equivalent scope of the claims to be described.

Claims (7)

A pair of support frames, a front support shaft coupled to each end of the support frame, a rear support shaft coupled to each other end of the support frame, and both ends of the front support shaft and the rear support shaft A body including a transfer wheel configured to be transported along a guard rail installed at an outer wall of the; A debris removal unit coupled to the support frame of the body to remove debris on the road; An image unit coupled to a central portion of the support frame of the body and scanning the ground surface according to a traveling direction of the body; And Light rail driving apparatus coupled to the rear support shaft of the body, comprising a friction unit for measuring the friction force on the driving wheels that are applied to the driving path by the torque sensor and the driving wheels. The method of claim 1, Light rail traveling track research equipment, characterized in that the transfer wheel provided on the rear support shaft of the body is provided with a traveling recording device that can grasp the movement position in accordance with the rotation. The method of claim 1, The foreign material removing unit, A support shaft connected to the support frame of the body, The light rail traveling road survey equipment connected to the support shaft, characterized in that provided with a brush for removing foreign matter on the road while being rotated by the power motor. The method of claim 1, The foreign material removing unit, A support shaft connected to the support frame of the body, Light rail traveling equipment connected to the support shaft, characterized in that provided with a foreign material inhaler to suck the foreign matter of the driving path by the power motor. The method of claim 1, The video unit, A support bar having both ends coupled to the pair of support frames; A detection scan connected by the support bar and scanning a driving path to measure knittedness and cross level; Located behind the detection scan, the light rail traveling route research equipment, characterized in that provided with a sensing camera for recording the state of the driving path as an image. The method of claim 5, Light rail traveling route survey equipment, characterized in that the inclination sensor for measuring the degree of inclination of the driving path is further provided on one side of the support bar. The method of claim 1, The friction part, A connecting shaft having one end hinged to the rear supporting shaft of the body; A driving wheel coupled to both ends, and an outer circumferential surface of the rotating shaft coupled to the connecting shaft while the torque sensor is coupled; A water spray nozzle coupled to one side of the connecting shaft and supplying water to a driving path in front of the driving wheel; Light rail running track research equipment, characterized in that the load plate for applying the same load as the celebration of the light rail in the upper connection shaft.

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