JP4619100B2 - Method for guiding stop position of swivel type gauge land vehicle and swivel type track land vehicle using this method - Google Patents

Description

  The present invention relates to a method for guiding a stop position of a turning-type rail vehicle and a turning-type rail vehicle using this method.

A swivel type rail car used for inspection of railway overhead lines (swivel work bogie rail car (hereinafter also simply referred to as a vehicle body)) travels on a general road and moves on a railroad rail (track) from a railroad crossing near the work site.
When switching from running with a tire to running with a raceway, the railroad vehicle enters the railroad crossing, stops so that the center between the raceways is exactly aligned with the center between the rails, and is attached to the vehicle body. After lifting the vehicle body with the attached jack, etc., turning the vehicle body, aligning the direction of the track ring and the rail, and then lowering the vehicle body, put the track ring on the rail and run on the track ring This is done by making it possible.

The work of stopping the vehicle body at the center between the rails is currently performed by a single camera installed at the bottom of the vehicle body or by a guide.
When the rail and the railroad crossing are perpendicular and the vehicle body enters the rail so that it is perpendicular to the rail, it is relatively easy to stop the vehicle so that the center between the tracks is accurately aligned with the center between the rails. is there.
However, the rail and the railroad crossing are not orthogonal, so it is difficult to stop the vehicle so that the center between the rails is accurately aligned with the center between the rails when the vehicle body enters the rail diagonally. become. This is because the distance between the rails in the traveling direction of the vehicle body is relatively long.
With the center between the rails not exactly aligned with the center between the rails, that is, with the jacking point (the turning center of the vehicle body) deviating from the center between the rails, the vehicle body is lifted with a jack and the vehicle body is turned. When lowering the car body with the direction of the wheel and rail aligned, the positional tolerance between the rail and the race is about 2 cm. Cause delay.

Therefore, when moving a rail-car from a road to a track, a window is conventionally provided at the center of the swivel, and a light projector such as a laser oscillator that projects a light beam toward the bottom is provided above the window. A turning-type track that draws a mark line at the center between the rails, moves the vehicle while projecting a light beam from the light projector, and stops the vehicle when the irradiation point of the light beam comes over the mark line A car has been proposed (see Patent Document 1).
JP 2004-034726 A

  According to the above-mentioned conventional turning-type railroad vehicle, if the mark line is accurately drawn between the rails, the vehicle body should be crossed at an angle as well as when the vehicle enters perpendicularly to the rails. Even when entering the vehicle, it is possible to stop the vehicle body by accurately aligning the turning center of the vehicle body with the center between the rails.

However, this conventional turning-type railroad vehicle has a problem that the above-mentioned mark line must be drawn every time a crossing enters (for each crossing).
Moreover, there is a problem that the turning center of the vehicle body cannot be accurately aligned with the center between the rails unless the mark line itself is accurately drawn at the center between the rails.
An object of the present invention is to solve the above-mentioned problems, and it is not necessary to provide a mark between the rails, and a turn that can accurately match the turning center of the vehicle body to the center between the rails without providing such a mark. An object of the present invention is to provide a method for guiding a stop position of a type gauge land vehicle and a turning type track land vehicle using this method.

In order to achieve the above object, the turning position guide method for a swivel type railway vehicle according to the present invention comprises a pair of cameras in front of and behind the bottom part of the swivel type rail car, and the front and rear directions of one camera and the other camera are reversed. In addition, the images of the two rails obtained from the two cameras when the swivel type rail car enters the track are alternately displayed on a single monitor. Alternatively, the image is superimposed and projected, and the turning-type rail car is stopped at a point where the images of the two rails overlap on the monitor.
In addition, the turning type rail land vehicle of the present invention includes a pair of cameras provided in the front and rear of the turning type rail land vehicle with the front-rear direction reversed and equidistant from the turning center of the turning type rail land vehicle,
A single monitor that projects images of the two rails obtained from the two cameras alternately or in superimposition as the turning-type track and land vehicle enters the track,
It is provided with.
According to such a method of guiding the stop position of a swivel type rail land vehicle or a swivel type track land vehicle, a camera at the rear of the bottom of the vehicle body (this camera is called “rear camera”) is used as a camera at the front of the bottom of the vehicle body (this camera is When the camera is provided upside down with respect to the “camera”, the following effects can be obtained.
In other words, in the process of a turning-type rail car entering the railroad crossing to accurately align the center of the raceway with the center of the target rail, the front camera rail (this rail is referred to as “front rail”). ") And a rear camera rail (this rail is called" rear rail ").
Since the rear camera is set upside down with respect to the front camera, the image of the front rail by the front camera moves down on the monitor as the vehicle moves forward, and the image of the rear rail by the rear camera is , Moves upward on the monitor as the vehicle body moves forward.
When the images of the front and rear rails displayed on the single monitor alternately or superimposed on each other overlap on the monitor, the turning center of the vehicle body coincides with the center between the target rails.
Accordingly, the turning means is stopped at a point where the images of the front and rear rails overlap on the monitor while the turning type rail car is moved, and turning means attached to the vehicle body (for example, turning means including the jack described above) ), The vehicle body is lifted and turned, the direction of the raceway and the rail is matched, and then the vehicle body is lowered, so that the turning-type rail vehicle can run on the rail with the raceway.
The image of the rail displayed on the monitor should be displayed horizontally on the monitor when the vehicle body moves perpendicular to the rail, and obliquely on the monitor when the vehicle body moves obliquely with respect to the rail. However, when the images of the front and rear rails overlap on the monitor, the turning center of the vehicle body remains the same as the center between the target rails.
In addition, if the front camera mounting direction is reversed, the rail movement direction on the monitor is only reversed, and the vehicle body turns when the images of the front and rear rails overlap on the monitor. The center remains the same as the center between the target rails.
As is apparent from the above, according to the present invention, there is no need to provide a mark between the rails, and the turning center of the vehicle body can be accurately aligned with the center between the rails without providing such a mark. Become.

Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
FIG. 1 is a schematic side view showing an embodiment of a turning type track and land vehicle using the method for guiding a stop position of the turning type and track vehicle according to the present invention.

  This turning-type gauge land vehicle 10 is provided with a pair of front-rear sides of the vehicle body, the front-rear direction being reversed and equidistant from the turning center O of the turning-type track land vehicle 10 (this distance is indicated by L). The images of the two rails RF and RR (see FIG. 2) obtained from the cameras 20F and 20R and the two cameras 20F and 20R as the turning type rail vehicle 10 enters the track R are alternately or superimposed. And a single monitor 30 for projecting.

In the figure, 11 is a tire for traveling on the general road 1, and 12 is a raceway for traveling on the rail R.
The bearing ring 12 is configured to be movable up and down by a lifting mechanism (rotating mechanism) (not shown). The track ring 12 is in a state of being moved up as indicated by a solid line when traveling on a general road, and is moved down as indicated by an imaginary line when traveling on a rail.
Reference numeral 13 denotes a turning means, which includes a jack 14 and a turning mechanism (not shown).
The tire 11, the race 12 and its raising / lowering mechanism, and the turning means can be configured in the same manner as those provided in the conventional turning-type rail car 10.

As the cameras 20F and 20R, normal CCD cameras (video cameras) can be used, and are attached at appropriate positions on the bottom of the vehicle body (however, as described above, equidistant from the turning center O of the vehicle body 10).
In this embodiment, the rear camera 20R is attached to the front camera 20F in the reverse direction.

The cameras 20F and 20R are connected to the monitor 30 via the video controller 31, and the images from the cameras 20F and 20R are displayed on the monitor 30 alternately or superimposed.
In this embodiment, the images from the cameras 20F and 20R are superimposed and simultaneously displayed on the monitor 30.

  The method of stopping the turning-type gauge land vehicle 10 at an appropriate turning position (that is, the method of guiding the stop position of the turning-type track land vehicle) or the operation of the turning-type track land vehicle 10 is as follows.

<When the turning type rail vehicle 10 moves orthogonally to the rail R (FIG. 2)>
As shown in FIG. 2 (a), when the rail R and the railroad crossing 2 are orthogonal to each other and the turning type rail vehicle 10 enters so as to be orthogonal to the rail R, the vehicle turns as shown in FIG. 2 (b1). In the process in which the type gauge land vehicle 10 enters the railroad crossing 2 to accurately align the center between the track rings with the center between the target rails R, first, as shown in FIG. The rear rail RR by the partial camera 20F is projected. Since this is irrelevant to the stop position guidance, it can be ignored, but the approximate position of the vehicle body 10 can be grasped.

  Thereafter, when the turning type rail vehicle 10 further moves toward the center between the rails R as shown in FIG. (C1), the front rail RF and the rear rail RR are displayed on the monitor 30 as shown in FIG. (C2). Since the rear camera 20R is provided in the reverse direction with respect to the front camera 20F, the image of the front rail RF by the front camera 20F moves downward on the monitor 30 as the vehicle body 10 advances, The image of the rear rail RR by the rear camera 20R moves upward on the monitor 30 as the vehicle body 10 moves forward.

  When the images of the rails RF and RR before and after being superimposed and projected on the single monitor 30 overlap on the monitor 30 as shown in FIG. 2 (d2), as shown in FIG. The turning center O of the vehicle body 10 coincides with the center between the target rails R.

Therefore, the turning means 13 that is attached to the vehicle body 10 is stopped at the point where the images of the front and rear rails RF and RR overlap on the monitor 30 while moving the turning type rail car 10. After the vehicle body 10 is lifted and turned, the direction of the track ring 12 and the rail R is matched, and then the vehicle body 10 is lowered, so that the turning-type rail vehicle 10 can travel on the rail R with the track ring.
In addition, when the vehicle body 10 moves orthogonally to the rail R, the images of the rails RF and RR displayed on the monitor 30 are displayed horizontally.

<When the turning-type gauge land vehicle 10 moves diagonally with respect to the rail R (FIG. 3)>
When the rail R and the level crossing 2 are obliquely crossed as shown in FIG. 3 (a) and the turning type rail vehicle 10 enters obliquely with respect to the rail R, the turning type as shown in FIG. 3 (b1). In the process of the railcar 10 entering the railroad crossing 2 to accurately align the center of the raceway with the center between the target rails R, first, as shown in FIG. The rear rail RR is projected by the camera 20F. Since this is irrelevant to the stop position guidance, it can be ignored, but the approximate position of the vehicle body 10 can be grasped.

  Thereafter, as shown in FIG. 3 (c1), when the turning type rail car 10 further moves toward the center between the rails R, the front rail RF and the rear rail RR are projected on the monitor 30 as shown in FIG. 3 (c2). Since the rear camera 20R is provided in the reverse direction with respect to the front camera 20F, the image of the front rail RF by the front camera 20F moves downward on the monitor 30 as the vehicle body 10 moves forward. The image of the rear rail RR by the rear camera 20R moves upward on the monitor 30 as the vehicle body 10 advances.

  Then, when the images of the rails RF and RR before and after being superimposed and projected on the single monitor 30 overlap on the monitor 30 as shown in FIG. 3 (d2), as shown in FIG. The turning center O of the vehicle body 10 coincides with the center between the target rails R.

Accordingly, the turning means 13 that is attached to the vehicle body 10 is stopped at the point where the images of the front and rear rails RF and RR overlap on the monitor 30 while moving the turning type rail car 10. After the vehicle body 10 is lifted and turned, the direction of the track ring 12 and the rail R is matched, and then the vehicle body 10 is lowered, so that the turning-type rail vehicle 10 can travel on the rail R with the track ring.
When the vehicle body 10 moves obliquely with respect to the rail R, the images of the rails RF and RR displayed on the monitor 30 are displayed obliquely, but the images of the front and rear rails RF and RR are displayed on the monitor 30. The turning center O of the vehicle body 10 remains the same as the center between the target rails R.
Further, when the mounting direction of the front camera 20F is reversed (the rear camera 20R is the forward direction), only the moving direction of the rail R on the monitor 30 is reversed. , RR when the images overlap on the monitor 30, the turning center O of the vehicle body 10 remains the same as the center between the target rails.
As is apparent from the above, according to this embodiment, it is not necessary to provide a mark between the rails R, and the turning center O of the vehicle body 10 can be accurately set to the center between the rails without providing such a mark. It can be combined.

Although the embodiments of the present invention have been described above, the present invention is not limited to the above-described embodiments, and can be appropriately modified within the scope of the gist of the present invention.
In the above embodiment, the image of the front rail RF and the image of the rear rail RR are superimposed and projected, but may be projected alternately.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a schematic side view showing an embodiment of a turning type track and land vehicle using a stop type guiding method for a turning type track and land vehicle according to the present invention. (A)-(d2) is operation | movement explanatory drawing (description figure of the stop position guidance method of the turning type track-and-rail vehicle which concerns on this invention). (A)-(d2) is operation | movement explanatory drawing (description figure of the stop position guidance method of the turning type track-and-rail vehicle which concerns on this invention).

Explanation of symbols

10 turning-type railroad vehicle O turning center 20F front camera 20R rear camera 30 monitor

Claims (2)

  A pair of cameras are provided on the front and rear of the bottom of the swivel gauge land vehicle, the front and rear directions of one camera and the other camera are reversed and equidistant from the swivel center of the swivel gauge land vehicle. The two rail images obtained from the two cameras are projected on the single monitor alternately or superimposed as they enter the top, and turn at the point where the images of the two rails overlap on the monitor. A method for guiding a stop position of a turning-type gauge land vehicle, characterized in that the type-railway vehicle is stopped. A pair of cameras provided in front of and behind the bottom of the swivel-type gauge land vehicle, with the front-rear direction reversed and equidistant from the turn center of the swivel-type track land vehicle;
A single monitor that projects images of the two rails obtained from the two cameras alternately or in superimposition as the turning-type track and land vehicle enters the track,
A turning-type railroad vehicle characterized by comprising:

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