JPH08205310A - Attitude controller for pantagraph appliance - Google Patents

Abstract

PURPOSE: To realize optimization to system control and the whole performance, reliability and maintenance properties by the constitution of a pure mechanical type without using control electricity and hydraulic control in an attitude controller for the pantagraph applicance of a pendulum type train. CONSTITUTION: An attitude controller for a pantagraph applicance 10 has constitution, in which a rolling-angle detecting link mechanism 40 gives linear displacement to a push-pull rod 26 when the relative angle of inclination is generated between a car body 3 and a truck 2, linear displacement detected by the detecting link mechanism 40 and transmitted to the push-pull rod 26 is transmitted to a centering mechanism 20 installed to the roof of the car body 3 through a bell crank 25, and the movable base 11 of the holding mechanism of the pantagraph appliance 10 is coupled with the centering mechanism 20. Accordingly, the pantagraph appliance 10 is centered at the central place of a stringing in response to the rolling motion of the car body 3.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a so-called pendulum train which controls a rolling inclination angle of a vehicle when passing through a curve, so that a current collecting plate of a pantograph mounted on the vehicle has a predetermined posture with respect to an overhead line. It relates to the attitude control device of the pantograph device for holding the position, has a mechanical automatic return mechanism to return the pantograph device to the center of the vehicle body, adopts a mechanical link mechanism that does not use hydraulic pressure or electricity, and the whole system As a result, the present invention relates to a posture control device for a pantograph, which is compact and has high performance, high maintainability, and high reliability.

[0002]

2. Description of the Related Art A pendulum train has been put into practical use for the purpose of increasing the traveling speed and riding comfort of a railroad vehicle on a curved road. It runs on a curved roadway of a track at a speed higher than that of a cant. At this time, by leaning the vehicle body inside the arc of the track by receiving centrifugal force, the center of gravity g of the vehicle body below the pendulum center of the vehicle body is reduced by the component of gravity g due to the tilt angle. Is.

As the pendulum type train, a natural pendulum type using an air spring of Spanish National Railways, a hydraulic forced pendulum type using a link of Canadian National Railways, a natural pendulum type using a roller in Japan, etc. have been developed and put into practical use. In addition, in order to improve the riding comfort of the natural pendulum type vehicle, an electronically controlled pendulum device configured to smoothly detect the track curve position and control the air and hydraulic cylinders to smoothly lean the vehicle body on a curved road is provided. Is being developed.

[0004]

All pendulum type vehicles have a pantograph mounted on the roof of the vehicle, and when traveling on a curved track, the pantograph mounted on the rolling-tilted vehicle also tilts. However, there is a problem in that the contact direction of the current collector plate with respect to the overhead wire changes significantly and the optimum contact cannot be maintained.

Therefore, a movable part via various actuators is provided in the holding mechanism of the pantograph device for moving the pantograph device on the roof portion of the vehicle in accordance with the rolling inclination, and conversely for inclining the pantograph device. It is conceivable to control the attitude of the pantograph device by controlling it.

However, when controlling the attitude of the pantograph device, it is possible to perform reliable control with few failures, and to prevent malfunction of the pantograph device in the unlikely event of a failure, the overall system is small and has high performance, high maintainability, and high maintainability. No attitude control device for a pantograph has been proposed as a reliable pure mechanical system.

The present invention, in the attitude control device for a pantograph of a pendulum train, realizes system control and optimization of overall performance, reliability, and maintainability by a pure mechanical system configuration that does not use electric control or hydraulic control. It is also intended to prevent malfunction of the pantograph at the time of hardware failure of the control device and to ensure high reliability.

[0008]

DISCLOSURE OF THE INVENTION The present invention, in an attitude control device for a pantograph of a pendulum train, aims to realize system control and optimization of overall performance, reliability, and maintainability. This is a maintenance-free system that employs a pure mechanical system that does not leak oil or air and does not require electricity, and uses a link mechanical mechanism that is basically independent of the pendulum control system of the vehicle body.

That is, according to the present invention, the pantograph device mounted on the vehicle body holds the current collecting plate in a predetermined posture position with respect to the overhead wire as the vehicle body rolls and tilts.
Position control of the movable part in the holding mechanism of the pantograph device, which has a centering mechanism in which a movable base that mounts the pantograph device and is movable in the vehicle width direction can be centered on the vehicle body roof center with a bungee spring In the control device for carrying out the above, one end of a bell crank pivotally supported on the upper part of the vehicle body is engaged with the movable base of the centering mechanism, and the other end is engaged with the rolling angle detection link mechanism of the axial support on the vehicle body via the push-pull rod, An attitude control device for a pantograph device, characterized in that a fixed lateral motion absorption link mechanism is engaged with a rolling angle detection link mechanism to mechanically transmit the difference in the inclination angle of the vehicle body with respect to the carriage to the centering mechanism. is there.

[0010]

In the attitude control device for a pantograph according to the present invention, the rolling angle detecting link mechanism gives a linear displacement to the push-pull rod when a relative inclination angle is generated between the vehicle body and the carriage. The linear displacement detected by the push-pull rod is transmitted to the centering mechanism provided on the roof of the vehicle body via the bell crank, and the movable base of the pantograph holding mechanism is coupled to the centering mechanism, which enables the rolling of the vehicle body. It has a structure that allows the pantograph to be centered at the central position of the overhead wire in response to movement.

Further, in the attitude control device for the pantograph device according to the present invention, the centering bungee spring is attached so as to oppose the movement of the centering mechanism, and when the relative rolling angle between the vehicle body and the bogie disappears, it is always provided. You can return to the center of the car body roof. further,
The longitudinal movement and / or rotational movement of the vehicle body with respect to the bogie is configured to be absorbed by the rolling angle detection link mechanism described above, while the lateral movement of the vehicle body with respect to the bogie is similar with the lateral movement absorption link mechanism provided between the vehicle body and the bogie. Can be absorbed by

In the present invention, the holding mechanism for the pantograph device is provided with a centering mechanism in which a movable base on which the pantograph device is mounted and which is movable in the vehicle width direction can be centered on the vehicle body ceiling center with a bungee spring. Is a mechanism that allows the pantograph device shown in the embodiment to move in the width direction of the vehicle body and holds the neutral position with a bungee spring.In addition, in order to return the pantograph device to the center of the vehicle body, machines such as coil springs, rubber springs, and torsion bars are used. A known structure having a general automatic return mechanism can be adopted, and if necessary, an actuator such as a hydraulic type, a pneumatic type, or an electric motor can be adopted as an assist in the configuration of the embodiment or the like.

[0013]

1A is a schematic view of a posture control device for a pantograph device according to the present invention, and B is a sectional view taken along line bb in FIG. Vehicle 1 is a dolly 2 having a wheel axle 4
The vehicle body 3 is mounted via a suspension (not shown) above. The pantograph device 10 mounts a pantograph 14 having a current collector plate 13 at its apex on a movable base 11 via an insulating support column 12. The movable base 11 has small wheels provided at its four corners on the roof of the vehicle body 3 as a vehicle body. It is configured to be slidable by engaging a pair of guide rails provided at predetermined intervals in the width direction. The slidable movable base 11 has a predetermined arcuate lateral groove 22 on the guide 21 so that the sliding is restricted by a centering guide 21 fixed to the roof of the vehicle body 3.
Is provided to engage with the groove, and is biased to be held at a predetermined neutral position by a bungee spring 23 fixed to a predetermined position (not shown) on the roof of the vehicle body 3 to form a centering mechanism 20. .

The attitude control device is a system completely independent of the pendulum control system for the vehicle body. The vehicle body 3 is engaged with a rolling angle detection link mechanism of a shaft support and a lateral movement absorption link mechanism fixed to the trolley, and the trolley 2 is moved. To the centering mechanism of the pantograph device 10 by mechanically transmitting the difference in the inclination angle of the vehicle body 3 with respect to. In the lateral motion absorption link mechanism 30, the ends of the V-shaped levers 32 and 33 with the bungee spring 34 sandwiched therebetween are engaged with the arcuate groove 35 provided in the guide block 31 fixed to the carriage 2. There is.
The other ends of the levers 32 and 33 are pivotally supported by the rolling angle detection link mechanism.

In the rolling angle detection link mechanism 40, the ends of the levers 32 and 33 are pivotally supported on the lower surface of the block 41, and the L-shaped end 42 projecting to the side surface is pivotally supported on the lower portion of the vehicle body to allow swinging. Therefore, an arcuate groove 43 is provided on the upper surface of the block 41, and the push-pull rod 26 is engaged therewith.

The lateral movement absorbing link mechanism 30 is a mechanical absorbing mechanism for the rolling and yawing movements of the vehicle body 3, and is configured to return to the neutral position by the bungee spring 34. The rolling angle detection link mechanism 40 detects the relative tilt angle between the carriage 2 and the vehicle body 3, that is, the rolling angle via the lateral motion absorption link mechanism 30,
It is also possible to absorb the longitudinal movement and pitching movement of the vehicle body 3.

An upper end of the push-pull rod 26 is pivotally supported at one end of a bell crank 25 pivotally supported on the upper portion of the vehicle body 3, and the other end of the bell crank 25 is engaged by the rod 24 with the arcuate lateral groove 22 of the centering guide 21 described above. The rolling angle detection link mechanism 40 is connected to the movable base 11 that is rotating.
The rotation angle displacement due to is replaced with a linear displacement and transmitted to the centering mechanism 20.

That is, the rolling angular displacement of the vehicle body 3 transmitted through the push-pull rod 26 and the bell crank 25 mechanically moves the movable base 11 through the arcuate lateral groove 22 of the centering guide 21, and the pantograph device is constantly operated. The current collector plate 13 of 10 can be held at the central position of the overhead line. Further, if the rolling angular displacement is not transmitted from the push-pull rod 26, the bungee spring 22 can return to the neutral position of the roof center of the vehicle body 3.

[0019]

The attitude control device for the pantograph of the pendulum train according to the present invention is a system completely independent of the vehicle body pendulum control system, and has a rolling angle detection link mechanism pivotally supported on the vehicle body and a lateral side fixed to the carriage. It has a structure that engages with the motion absorption link mechanism and mechanically transmits the difference in the inclination angle of the car body with respect to the trolley to the centering mechanism of the pantograph device, so there is no oil or air leakage of the working medium and no electricity is required. Adopting a pure mechanical mechanism, it realizes system control and optimization for overall performance, reliability, and maintainability, enabling maintenance-free operation. In addition, a bungee spring for centering is attached so as to oppose the movement of the centering mechanism, and when the relative rolling angle between the car body and the dolly disappears, the car can always return to the center of the car body roof, and the hardware of the control device can be used. It is possible to prevent malfunction of the pantograph at the time of failure and ensure high reliability.

[Brief description of drawings]

FIG. 1A is a schematic diagram of a posture control device of a pantograph device according to the present invention, and B is a line bb in FIG.
It is sectional drawing.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 vehicle 2 vehicle 3 vehicle body 4 wheel shaft 10 pantograph device 11 movable platform 12 insulating support column 13 current collector plate 14 pantograph 20 centering mechanism 21 centering guide 22 arcuate lateral groove 23 bungee spring 24 rod 25 bell crank 26 push pull rod 30 lateral motion absorption link Mechanism 31 Guide block 32, 33 Lever 34 Bungee spring 35, 43 Arc groove 40 Rolling angle detection link mechanism 41 Block 42 L-shaped end 43 Arc groove

Claims (1)

[Claims] 1. A pantograph mounted on a vehicle body holds a current collecting plate in a predetermined posture position with respect to an overhead wire as the rolling inclination of the vehicle body changes. In the control device for controlling the position of the movable part in the holding mechanism of the pantograph instrument having the centering mechanism in which the movable base movable to the vehicle body can be centered on the vehicle body roof center by the bungee spring, the axis on the upper part of the vehicle body One end of the supported bell crank is attached to the movable base of the centering mechanism, and the other end is engaged with the rolling angle detection link mechanism of the pivotal support to the vehicle body via the push-pull rod, and the lateral motion absorption link mechanism fixed to the carriage is rolled. By engaging with the angle detection link mechanism, it is possible to mechanically transmit the difference in the inclination angle of the vehicle body with respect to the carriage to the centering mechanism. Attitude control device for pantograph.