DE102016013065A1 - Additional pantograph for rail vehicles with current collection via overhead contact line - Google Patents

Abstract

The invention relates to a device for current collection of at least one overhead line 2 for rail vehicles and / or trolley vehicles, which has at least one contact arm 1, a joint 6 and a guide frame 8.Um to maintain the driving operation in icy overhead line according to the invention provided that an additional current collector is provided , wherein the current decrease takes place by two lateral contacts between the contact arms and the overhead line 2.

Description

The invention relates to a device for current collection of at least one overhead line for rail vehicles and / or trolley vehicles, which has at least one contact arm, a joint and a guide frame.

From the prior art, a plurality of pantographs for rail vehicles or trolley vehicles is known, which are provided for transmitting the electrical energy from a catenary for a permanent power supply of the drive system while driving or for a stationary power supply while staying in the station. Most known pantographs are designed for contact with the lower side of the overhead line. An individual current collector as a special type of pantograph is characterized by higher reliability and foldability and is used in high-speed trains. An Einholmstromabnehmer comprises at least one sanding bar, which are arranged on a pallet-shaped frame and make contact with the lower side of the catenary. Although these pantographs are reliable, light and flexible, the limited contact surface with the lower side of the overhead contact line has the disadvantage that, with an icy overhead contact line, the layer of ice prevents effective current drainage. In unfavorable winter conditions, it is therefore that the overhead line of the train is so icy that a further journey is impossible. The ice layer on the surface of the overhead line prevents the current decrease and the resulting arc due to the high voltage reduces the necessary drive power, which can lead to damage to the pantograph and the overhead line.

The object of the invention is to provide a device as an additional current collector for rail vehicles with power consumption via a catenary, which overcomes the disadvantages and limitations known from the prior art.

According to the invention, a supplementary current collector is provided to achieve the object, wherein the current decrease takes place by at least one lateral contact between the contact arm and the overhead line. Further advantageous embodiments of the invention can be taken from the subclaims.

The device consists in a first embodiment of two current contact arms, which are switched on or off when needed and / or in an icy overhead line for a more effective power supply. After connection and disconnection of the device, the contact arms are either extended out of the guide frame or retracted into the guide frame. By the inventive pyramidal geometry of the contact arm, the connection is done automatically with a threading of the device to the overhead line. Two contact arms are always used to exert a contact pressure from both sides on the overhead contact line. The fact that the overhead line is mounted in zig-zag course on the masts, the device must be able to follow the lateral movement of the overhead line. This zig-zag course is important because otherwise the conventional pantograph grooves would get.

Another advantage of the shaping according to the invention of the contact arm is that with lateral branches of the overhead line, which is necessary for switch and rail crossings, a pushing away of the contact takes place without damaging the overhead line. In a preferred embodiment, the usual support the overhead line to the masts is only above the catenary in a zig-zag shape, thus is a lateral current decrease nothing in the way and can drive past at least one of two contact arms to a zig-zag bracket of the overhead line , Thus, contact with the overhead line is always secured by at least one of two contact arms.

The shape of the contact arm is chosen pyramidally, so that a more effective contact with the icy overhead line is possible, especially because the ice sheets are thinner on the sides of the overhead line. Another advantage of this design is that the conventional current collector are spared from the arc in the icy overhead line by the lateral contact and thus the lower contact surface of the overhead line is not damaged. This device can be used in particular in the areas in which difficult winter conditions are present.

Further, a sliding and at least angled movable guide frame is provided, which is arranged between the double conventional pantograph and integrated so that the two contact arms can use the two sides of the overhead line for current collection and follow a possible zig-zag course of the overhead line.

The device in this case comprises a joint which is provided for adapting the contact arm to the cross section of the overhead line. By using the joint and the shaping of the contact arms, the adjustment of the contact arms is carried out automatically for different cable cross sections of the overhead line, wherein the contact arm is rotatable about a built-in hinge joint axis. The Joint can also be installed to extend or retract into or in the standard guide frame.

In double overhead lines, which have a distance of 5 to 12 cm to each other and are used in part for conventional power collection, a catenary is sufficient for additional power collection.

In a preferred embodiment of the invention, the removed current is conducted via a cable connected to the contact arm to the conventional contact arms.

In a further aspect, at least one infrared lamp is provided according to the invention for heating the device, which can be arranged in the frame of the conventional current collector or on the roof of the vehicle.

The invention will be explained again with reference to the figures.

• 1 in einer perspektivischen schematischen Ansicht die vollständige Vorrichtung im aktiven Zustand,
• 2 in einer perspektivischen schematischen Ansicht ein Teil der Vorrichtung in einem deaktivierten Zustand,
• 3 in einer schematischen Draufsicht ein Teil der Vorrichtung im aktiven Zustand und
• 4 in einer schematischen Draufsicht ein Teil der Vorrichtung im deaktivierten Zustand.

It shows

• 1 in a perspective schematic view of the complete device in the active state,
• 2 in a perspective schematic view of a part of the device in a deactivated state,
• 3 in a schematic plan view of a part of the device in the active state and
• 4 in a schematic plan view of a part of the device in the deactivated state.

1 shows in a perspective schematic view of the complete device in the active state. In the preferred embodiment, there are two contact arms 1 in lateral contact with the overhead line 2 , The removed electricity from the overhead line 2 is via a cable 7 to the conventional pantographs 9 directed. The contact arm 1 is through a joint 6 movable and adaptable to the overhead line. The contact arms 1 have a pyramidal shape, which adjustment the contacting and adjustment of the contact arms to the zig-zag course of the catenary 2 facilitated. In a preferred embodiment, the device may be switched on or off as needed. The power supply for switching on the device via the cable 7 , When the device is connected, the contact arms travel 1 from the guide frame 8th off and at a shutdown in the guide frame 8th one.

In a preferred embodiment, the device is between twice the conventional current collector 9 the guide rail 12 integrated and arranged so that two contact arms 1 the two sides of the overhead line 2 to use the current collection. For this purpose, each contact arm is for the automatic adaptation of the contact arms to the overhead line course 1 a joint 6 assigned.

To warm the device is an infrared lamp 13 provided on the roof of the train or in the frame of conventional pantographs 11 can be installed.

2 shows in a perspective schematic view of a part of the device in the deactivated state, for example with a contact arm 1 , From the top view of the device it can be seen that the two contact arms 1 are shown in the retracted state and thus are without function, for example, if no ice on the overhead line 2 is applied. In the particularly preferred embodiment, the contact arm 1 a pyramidal shape at the top, which makes lateral contact with the overhead line 2 facilitates and a follow-up of the overhead line 3 in case of ramifications of the overhead line 2 follows straight.

Another advantage of the pyramidal shape of the contact 1 is characterized in that at lateral branches of the overhead line 2,3, which is required for switch and rail crossings, pushing away the contact arm 1 takes place without the overhead line 2 . 3 to damage. The usual holder of the overhead line 4 takes place on existing masts only above the overhead line 2 . 3 and thus the lateral current decrease is nothing in the way and thus at least one of two contact arms can pass the zigzag holder of the overhead line. Thus, a contact with the overhead line is always secured by at least one of two contact arms.

For lateral current decrease is at least one contact arm 1 used. Preference is given to the use of two contact arms 1 intended. When icing the catenary is the ice layer 5 thinner on the sides of the overhead line. Therefore, a more effective contact with the icy catenary 2 possible, which the conventional pantographs in the icy overhead line 2 spared from an arc and thus the lower contact surface of the overhead line 2 protects against damage. In the preferred embodiment, the contact arm 1 through a joint 6 when switching on or off in the management frame 8th be retracted or extended.

3 shows a schematic plan view of a part of the device in the active state.

For a more effective power take off, the two contact arms 1 to the overhead line 2 created on a catenary with ice layer. In the preferred embodiment of the invention is in a double line 2 . 10 only a catenary 2 used for power collection.

4 shows a schematic plan view of a part of the device in the deactivated state. For this purpose, to turn off the device, the two contact arms 1 by means of a joint 6 in the guide frame 8th transferred. The guide frame 8th is in the guide rail 12 the conventional pantograph 9 arranged.

From the top view of the device it can be seen that the two contact arms 1 shown in the retracted state and thus have no function, for example, if no ice on the overhead line 2 is present and the conventional pantograph 9 to the overhead line 2 . 10 for power consumption.

LIST OF REFERENCE NUMBERS

1

contact

2

catenary

3

Lateral overhead line

4

Holder of the overhead line

5

ice

6

Joint with two axes of rotation

7

power cable

8th

guide frame

9

Conventional pantograph

10

Second catenary

11

Frame of the pantographs

12

guide rail

13

infrared lamp

Claims (9)

Device for current collection of at least one overhead line (2, 10) for rail vehicles and / or catenary vehicles having at least one contact arm (1), a joint (6) and a guide frame (8), characterized in that an additional current collector is provided, the Current decrease by at least one lateral contact between the contact arm and the overhead line (2). Device after Claim 1 , characterized in that the contact arm (1) is at least partially formed pyramid-shaped at the contact point. Device after Claim 1 or 2 , characterized in that the guide frame (8) in the guide rail (12) is displaceably arranged and movable at least at an angle. Device according to one of Claims 1 . 2 or 3 , characterized in that the guide frame (8) between a double conventional current collector (9) of the guide rail (12) is installed. Device according to one of Claims 1 to 4 , characterized in that the hinge (6) between the contact arm (1) and the guide frame (8) is installed. Device according to one of Claims 1 to 5 , characterized in that for the connection of the contact arm (1), the joint (6) by a power cable (7) is supplied with power via the conventional current collector (9). Device after Claim 6 , characterized in that the power cable (7) for transmitting the cut-off current from one side with conventional current collector (9) and from the other side with the contact arm (1) is connected. Device after Claim 7 , characterized in that the device is installed as a Zusatzstromabnehmer in the guide rail (12) of the conventional current collector (9). Device according to one of Claims 1 to 8th , characterized in that an infrared lamp (13) for heating the overhead line (2) in the frame of the conventional current collector (9) is installed.

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