JPH0950231A - Rocking device for railroad simulator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To simulate rolling just as a real car. SOLUTION: A first movable table 103 is vibrated in a first direction along a first guide rails 107. A second movable table 104 is positioned in the upper part of the first movable table 103 to be vibrated in a second direction along second guide rails 108. The first and second guide rails 107, 108 are made to be perpendicular to each other and the first and second movable tables 103, 104 move independently of each other. The car body 101 positioned in the upper part of the second movable table 104 performs a movement in a plane within a fixed range. The car body 101 is connected to the second movable table 104 by coil springs 110 and is supported by an alignment shaft for rolling and bearings provided on the vertical line passing the center of the horizontal width of the car body to be rotatable around the shaft. A rotational force is generated in the car body by acceleration in the plane direction accompanying the movement in a plane and the weight in the gravity direction loaded on the car body. The coil springs 110 connect the car body 101 and the second movable table 104 and also support the car body 101.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a railway vehicle simulator, and more particularly to a device for simulating rolling of a vehicle.

[0002]

2. Description of the Related Art A conventional rolling motion device for a railway simulator is
It was a two-layer structure having guide rails in each of the vertical and horizontal directions, and it was a simulation of only vertical and horizontal biaxial shaking.

For example, as shown in FIG. 3, a horizontal axis guide rail 37 is provided on a horizontal axis base 32 arranged horizontally. The vertical axis base 33 is arranged on the upper side of the horizontal axis base 32, and is engaged with the horizontal axis guide rail 37 by the engaging groove 331 provided on the lower surface. A horizontal axis actuator 35 is coupled between the horizontal axis base 32 and the vertical axis base 33 to enable the vertical axis base 33 to move in the horizontal direction along the horizontal axis guide rail 37. A rocking table 34 is arranged above the vertical axis base 33, and is engaged with the vertical axis guide rail 38 by an engaging groove 341 provided on the lower surface. A vertical axis actuator 36 is connected between the vertical axis base 33 and the shaking table 34,
The rocking table 34 can be moved in the vertical direction along the vertical guide rail 38. The vehicle body 31 of the vehicle to be simulated is mounted on the upper part of the shaking table 34.

The abscissa actuator 35 and the ordinate actuator 36 are provided in accordance with the simulator simulation situation.
It is controlled and driven, and gives vibrations to the vertical axis base 33 and the shaking table 34.

[0005]

As described above, the conventional rocking device for a railroad simulator is a simulation of only vertical and horizontal two-axis motions in the vertical and horizontal directions, respectively. That is, the rolling simulation could not be done.

An object of the present invention is to solve the above-mentioned problems and to provide a rocking device for a railway simulator, which can simulate rolling like an actual vehicle.

[0007]

A shaking device for a railway simulator according to the present invention is constructed as follows.

A first moving base movable along a first guide rail extending in a first direction, and a second moving base located above the first moving base and perpendicular to the first direction. A second movable table movable along a second guide rail extending in the direction of, and a vehicle body located above the second movable table with the first direction or the second direction as the vertical direction. , A plurality of sets of coil springs which are symmetrical with respect to the vertical line at the center of the lateral width of the vehicle body and are located between the second movable table and the vehicle body and couple the two. The vehicle body is supported on the second moving base by a rolling centering shaft and a bearing which are provided on a vertical line at the center of the vehicle body width.

When the pair of coil springs are arranged at the mounting interval of the pillow springs of the real vehicle to be simulated, it is possible to obtain a swaying feeling more similar to that of the real vehicle.

[0010]

The first moving table is capable of reciprocating or vibrating along the first guide rail in the first direction.
The second moving table is located above the first moving table and can reciprocate or vibrate in the second direction along the second guide rail. The first guide rail and the second guide rail are formed so as to intersect each other at a right angle, and the first moving table and the second moving table move independently of each other.
The vehicle body located on the upper part of the second movable table can make a plane motion within a certain range. The vehicle body is connected to the second moving base by a coil spring and is supported by a rolling centering shaft and a bearing provided on a vertical line passing through the center of the lateral width of the vehicle body, so that the vehicle body can rotate about this axis. Has become. Due to the acceleration in the plane direction and the weight in the direction of gravity applied to the vehicle body due to the plane movement, a moment around the vertical axis is generated, and a rotational force is generated in the vehicle body. The coil spring connects the vehicle body and the second moving base and supports the vehicle body.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a rolling motion device for a railway simulator according to the present invention will be described below with reference to the drawings. 1A and 1B are configuration diagrams of an embodiment, FIG. 1A is a sectional side view, and FIG. 1B is a sectional front view. In FIG. 1, 101 is a vehicle body and 10
2 is a base for the horizontal axis. Reference numeral 103 denotes a vertical axis base that functions as a first moving base. Reference numeral 1031 denotes a horizontal axis fitting groove provided on the lower surface of the vertical axis base 103. 104
Is a shaking table and functions as a second moving table. 104
Reference numeral 1 is a vertical axis fitting groove provided on the lower surface of the rocking table 104.
Reference numeral 105 is a horizontal axis actuator, 106 is a vertical axis actuator, 107 is a horizontal axis guide rail, 108 is a vertical axis guide rail, 1091 is a rolling centering bearing, 1
Numeral 092 is a centering axis for rolling, 110 is a spring composed of a coil spring, 111 is a spring receiver, 112
Is an oil damper.

The horizontal axis base 102 is fixed to the floor of the building. A pair of parallel horizontal guide rails 107 are laid on the upper surface of the horizontal base 102. Horizontal axis base 102
The vertical axis base 103 is attached to the upper part of the above by fitting the horizontal axis guide rail 107 and the horizontal axis fitting groove 1031. At this time, the protrusions 102 are respectively formed on the upper surface of the horizontal axis base 102 and the lower surface of the vertical axis base 103.
1, 1032 are formed and their protrusions 102
The horizontal axis actuator 105 is connected between the first and the second vertical axis 1032 so that the driving direction thereof coincides with the laying direction of the horizontal axis guide rail 107. A pair of parallel vertical guide rails 108 are laid on the upper surface of the vertical base 103. The direction of the vertical axis guide rail 108 is perpendicular to the horizontal axis guide rail 107. The rocking table 104 is attached to the upper part of the vertical axis base 103 by fitting the vertical axis guide rail 108 and the vertical axis fitting groove 1041. At this time, the protrusions 1033 and 1042 are formed on the upper surface of the vertical axis base 103 and the lower surface of the rocking table 104, respectively, and the vertical axis actuator 106 and the driving direction of the vertical axis actuator 106 extend vertically between the projections 1033 and 1042. The shaft guide rails 108 are connected so as to coincide with the laying direction. The shape of the shaking table 104 is similar to the shape of the floor surface of the vehicle body 101 of the vehicle to be simulated, and is almost the same,
The spring 110 is mounted in the width direction by the rocking table 104.
And the vehicle body 101 are arranged at intervals such that the pillow springs of the actual vehicle can be attached. Recesses into which both ends of the spring 110 are inserted are formed on the upper surface of the rocking table 104 and the lower surface of the floor surface of the vehicle body 101, and function as spring receivers 111 to prevent the springs 110 from falling off. Shaking table 104
The vertical direction of the vehicle body 101 is on the upper part of the
8 is installed so as to match the laying direction. At this time,
On the upper surface of the rocking table 104, the lower vertical guide rail 10 is provided.
Two rolling centering bearings 1091 are formed on the center line of the rocking base 104 in parallel with the laying direction of the vehicle body 8.
Two rolling centering shafts 1092 are provided on the lower surface of the floor surface at the center of the horizontal width and on a line in the vertical direction, and the rolling centering shafts 1092 are the rolling centering bearings 109.
1, the vehicle body 101 is supported by the rocking table 104.
Mounted on. An oil damper 112 is attached between the side surface portion of the rocking table 104 near the spring 110 and the lower surface of the floor surface of the vehicle body 101 above the side surface portion.
Regulates the role dumping of.

Next, the operation of the embodiment shown in FIG. 1 will be described. By driving the horizontal axis actuator 105, the vertical axis base 103 and the structure above the vertical axis base 103 are guided by the horizontal axis guide rail 107, so that the horizontal axis sway is obtained. By driving the vertical axis actuator 106, the vertical axis guide rail 1
The rocking table 104 guided by 08 and the structure above the rocking table 104 obtains vertical vibration. These vertical and horizontal motions can cause the motion base 104 to perform a planar motion. The vertical load applied to the vehicle body 101 is
Rolling centering bearing 1091, rolling centering shaft 1
It is supported by the repulsive force of the spring 110 with 092 as the fulcrum. When the vertical load centering on the rolling centering bearing 1091 becomes unbalanced as shown in FIG. 2 due to the generation of acceleration due to the planar movement of the rocking table 104, the vehicle body 101 moves the rolling centering bearing 1091. Get the rolling sway around the center. In FIG. 2, M is a vehicle body 101
, Α is the lateral acceleration. Oil damper 11
2 acts to end this rolling sway. As described above, the vehicle body 101 can obtain vertical, horizontal, and rolling sway according to the simulated situation.

[0014]

As described above, according to the present invention, the rocking device for supporting the vehicle body is supported by the centering shaft for rolling and the bearing, and the vehicle body is symmetrically arranged about the longitudinal line at the center of its lateral width. Since it is supported by the above, it is possible to highly simulate the shaking caused by the rolling that the actual vehicle body receives.

[Brief description of drawings]

FIG. 1 is a configuration diagram of an embodiment, showing a sectional side view and a sectional front view.

FIG. 2 is a diagram for explaining the operation of the embodiment.

FIG. 3 is a cross-sectional side view and a cross-sectional front view showing a configuration for explaining a conventional rocking device.

[Explanation of symbols]

101 ... Vehicle body, 102 ... Horizontal axis base, 103 ... Vertical axis base (first moving base), 1031 ... Horizontal axis fitting groove, 1
04 ... Shaking table (second moving table), 1041 ... Vertical axis fitting groove, 105 ... Horizontal axis actuator, 106 ... Vertical axis actuator, 107 ... Horizontal axis guide rail, 108 ...
Vertical axis guide rail, 1091 ... Rolling alignment bearing, 1092 ... Rolling alignment shaft, 110 ... Spring (coil spring), 111 ... Spring receiver, 112 ...
Oil damper.

Claims (2)

[Claims] 1. A first movable base movable along a first guide rail extending in a first direction, and a first movable base positioned above the first movable base and perpendicular to the first direction. A second movable base movable along a second guide rail extending in the second direction, and a second movable base positioned above the second movable base with the first direction or the second direction being the vertical direction. The vehicle body is symmetrical with respect to the vertical line at the center of the vehicle body width and the second vehicle body.
Of the vehicle body and a plurality of sets of coil springs which are located between the vehicle body and the vehicle body and couple the two together, and the vehicle body has a centering shaft for rolling and a bearing provided on a vertical line at the center of the vehicle body width. , A swinging device for a railway simulator, which is supported on a second moving table. 2. The rocking apparatus for a railway simulator according to claim 1, wherein the pair of coil springs are arranged at a mounting interval of the pillow springs of the simulated vehicle.