DE102018113109A1 - Rail vehicle with cable receptacle - Google Patents

Abstract

The invention relates to a rail vehicle with a carbody (1) with an outer casing (27), with a cable receptacle (21) for guiding a high-voltage cable (3), wherein the cable receptacle (21) of a sink (2) in the outer casing (27). is formed of the car body (1) and a cover (6) for covering a cable in the receptacle (21) recorded cable (3) is provided, which is repeatedly releasably secured to the car body (1).

Description

The invention relates to a rail vehicle with a car body with an outer shell and with a cable receptacle for guiding a high-voltage cable.

In rail vehicles electrically operated components, which are arranged in different areas of the vehicle, connected to each other via electrical connection lines. The connection lines may be signal lines that transmit electrical signals or power lines that transmit electrical energy. For reasons of fire protection, particularly strict regulations regarding the laying of cables, which in turn influence the required dimensioning of the conductor cross-sections, apply to the power lines. How to dimension power lines for rail vehicles is u.a. described in the standard EN 50343.

In order to protect power lines from environmental influences and also not visible for aesthetic reasons to lay the power lines in cavities or cable guides can be laid. The electrical connection lines can be performed, for example, within the vehicle in at least partially closed cable ducts or trays, as for example from DE 195 37 498 A1 is known.

In the CN 203 151 015 U the use of hollow profiles of the car body is proposed to lay cables protected. The cable is placed directly in the hollow section of the car body.

Disadvantages of the known from the prior art solutions are in particular for the laying of power cables or train busbars poor heat dissipation and poor accessibility and disassembly to disassemble or replace the power line in case of maintenance or defects.

The required minimum cross-sections of a power line depend not only on the expected in rated operation load current and expected during operation ambient temperature on the type of laying of the power lines, therefore, whether the power lines individually or in bundles free in air or in more or less strongly closed spaces are laid. The lower the expected heat dissipation during operation for a given load, the greater the cable cross-section must be selected in order to avoid dangers due to overheating

Object of the present invention is to provide a cable receptacle with a cover for the power line of a rail vehicle, which ensures reliable heat dissipation with easy mounting and dismounting.

This object is achieved with a device according to claim 1. Furthermore, the object is achieved by a method according to claim 15. Advantageous embodiments of the invention are contained in the subclaims.

According to the invention, the solution of the problem in a cable receptacle, which is formed by a depression in the outer shell of the car body, wherein a cover for covering a cable received in the cable receptacle is provided, which is repeatedly releasably secured to the car body.

Due to their arrangement on the outer shell of the rail vehicle, the cable receptacle is easily accessible. By the cable initially only has to be inserted into the recess of the car body during assembly of the rail vehicle, a simple positioning and prefixing of the cable is possible. The repeated detachable attachment of the cover also allows easy disassembly, e.g. in the event of a replacement of the high voltage cable.

Preferably, the mounting position of the cover with respect. The outer shell of the car body is designed adjustable. In this way, the cover can be adapted to the course of the outer shell. The distance between the outer shell and the cover may preferably be designed to be adjustable in order to adjust the intended or constant gap dimensions can. In particular, the gaps between the outer shell and the cover by adjusting the mounting position can be adjusted.

According to an advantageous embodiment of the invention, at least one fastening means receptacle for fastening the cover is provided on the car body. The fastener receiving can be made as an integral part of the car body. The car body can be formed by extruded aluminum profiles, wherein the fastener receiving can be made as part of an extruded profile in the extrusion process. As fasteners in particular screws or nuts can be used in terms of a repeatedly releasable attachment. Accordingly, the fastener receptacles may be configured as threaded holes or threaded bolts.

In a preferred embodiment of the invention, the fastener receptacles may comprise a thread into which a screw inserted into the cover can be screwed. The fastener receptacle may include, for example, a metal bracket on which a threaded carrier is attached. The threaded carrier can form a displaceable part of the fastener receiving and thus allow a tolerance compensation. As a thread carrier can preferably be used a cage nut.

In an expedient development of the invention, the cover can also have a fastening means receptacle, wherein fastener receptacle of the cover or an inserted fastening means in the mounted state of the cover can be roofed by a projection of the cover. The fasteners are thus protected from the weather. At the same time, the fastening means can be moved at least partially out of the field of vision of passengers standing on a platform through the projection or be concealed in relation to passengers standing on a platform.

In order to be able to dispense with a grounding of the cover via grounding conductor and to further reduce the assembly and material costs, the cover can be connected via fastening means and fastener receptacles with the car body, which are made of conductive materials. The fastening means and / or the fastening means receptacles may in particular be made of stainless materials.

According to a further variant of the invention may be provided on the car body, a holder for fixing the cover on the car body. The holder may have a back, on which the cover is placed. The cover can thus be positioned and fastened by simply placing at least one side positively.

On the car body, a C-rail may be arranged, to which the cover is fastened by means of a sliding block. The C-rail can be used to adjust the position of fasteners to secure the cover. The position of the cover may thus be adjustable via the C-rails to adjust gaps and distances. Several C-rails may be provided, in particular on opposite sides of the cover.

In order to fix the bracket and to be able to adjust in position to the contour of the car body or to the desired course of the cover when needed, can be arranged on the car body a C-rail, to which the holder is fastened by means of a sliding block. The C-rail can form an integral part of the car body. In particular, the C-rail may be part of an aluminum extruded profile of which the car body is formed. The sliding block can be slidably mounted in the C-rail. To save material and weight several short C-rails can be used, in particular in each case a short C-rail for every two fasteners.

Preferably, the bracket and / or the C-rail is arranged in the assembled state of the cover below the cover or between the cover and the outer shell of the car body. The C-rail may be provided for attachment to one or two longitudinal sides of the cover. The cover can be configured or arranged accordingly such that the holder and / or the C-rail fits with the cover mounted under it.

To reduce the footprint of fittings used to secure the cover, shorter screws may be used relative to a standard design of the bolted connection. In order to prevent the shorter screws from loosening or loosing despite aerodynamic loads, screws with a screw lock can be used. In particular, inserted into a thread groove clamping fuses can be used, such as all-tight thread locks. For passengers, with the hidden fasteners fewer mounting elements are visible, i. it is a more aesthetic design of the car body possible. Furthermore, with this arrangement, the bracket and / or the C-rail are protected against environmental influences.Bevorzugt the C-rail also serves the attachment of a cable holder for a high voltage cable. In particular, a cable holder and two fastening elements for fastening the cover can be arranged on a short C-rail.

The holder may be configured in a further variant of the invention to receive the cover in a form-fitting manner. To produce a positive connection between the cover and the holder, the cover may have a recess tapering in an insertion direction into which the back can be inserted.

To optimize the positive connection between the cover and the bracket, the back and the indentation can be designed to be interlocking. The back and the indentation can at least partially flat on each other rest, especially on opposite surfaces.

Preferably, the cover is in the mounted state of the car body or the outer shell of the car body spaced. Thus, a ventilation slot may be formed to cool a high voltage cable disposed in the cable receptacle. Ideally, the temperature of the high voltage cable should not exceed 90 ° C. The cover is in the assembled state preferably spaced at all its ends of the car body.

According to an expedient development of the invention can be completely dispensed with a closure or a seal of the gaps between the cover and the car body. Occurring melting or rainwater may thus possibly penetrate into the cable receptacle, but this can also leave without further notice. It can thus be completely dispensed with seals, such as elastomer seals, and on edge protection profiles, which would be exposed to increased wear on the outside of the rail vehicle due to the action of UV radiation and larger changes in temperature. An exchange of plastic components which is otherwise required regularly every few years is not necessary.

The cover may preferably extend parallel to the carbody and adjacent to the sink. The cover may form with the car body a first, in particular horizontally extending air gap. By positioning the cover, the width of the air gap can be adjusted to some extent. The width of the air gap is preferably 8 to 12 mm, in particular 10 mm. The air gap may in particular be arranged on the upper side of the cover.

The air gap may have inner walls which could extend substantially vertically upwards or in the direction of a car body center plane running in the longitudinal direction of the car body. Thus, the gap for passengers who are outside the vehicle at the height of a platform next to the car body, not visible. The air gap may be formed on the one hand by the outer shell of the car body, on the other hand by the cover. The cover may for this purpose have an extension which extends in the mounted state of the cover parallel to the car body.

In a further embodiment of the invention, at least two covers may be provided, which are spaced apart in the mounted state. The covers may form a second air gap which is substantially perpendicular to the first air gap or vertically. The second air gap may have a width which is preferably 8 to 12 mm, in particular 10 mm.

According to a further variant of the invention may be provided on the underside of the cover, a third air gap or a plurality of third air gaps between the cover and the outer shell of the car body. The third air gaps allow additional ventilation of the cable received in the cable receptacle and, due to their arrangement below the cover, the discharge of rain or melt water.

The air gaps may be interrupted by mounting arrangements. The overall length and width of the air gaps may be selected such that overall there is sufficient cooling and ventilation of a cable received in the cable receptacle. With a width of the air gaps, which is preferably 8 to 12 mm, in particular 10 mm, the length of the first and third air gaps may be at least 50 to 70%, in particular at least 60% of the length of the cover.

In order to achieve adequate ventilation of the high-voltage cable, the columns can be designed according to their width. Thus, the projection area of the columns can amount to at least 10% of the sum of the projection areas of the columns and covers.

In an alternative embodiment, the cover may be sealed at the top to prevent the ingress of rainwater. In this embodiment, the air gaps between covers and below covers are designed to be correspondingly larger in order to ensure sufficient cooling of the cable.

In a further expedient development of the invention, a plurality of covers may be provided, which are configured very similar or identical. The covers can be standard parts that can be used to cover high voltage cables on a variety of car bodies. For the ends of the cable receptacle standardized end covers can be provided which provide a through opening for the high voltage cable in the assembled state.

Preferably, the cover follows the course of the outer shell of the car body. In particular, the cover with the outer shell of the car body close or close to a gap remaining between the car body and cover gap. The outer surface of the cover is ideally aligned with the outer surface of the outer shell of the car body. Due to this arrangement of Cover no edge protection profiles are required.

The cable receptacle is preferably arranged in a roof area of the car body, in particular in a lateral roof area of the car body. Thus, a good accessibility is guaranteed. The cable receptacle may in particular be arranged in a shoulder portion of the roof area in order to pass the high-voltage cable to the components arranged on the vehicle roof.

The cover may be made of a non-conductive material, e.g. from a fiber-plastic composite, to reduce the risk of the occurrence of flashovers from a catenary. Alternatively, a production of metal is conceivable to make the cover as long-lasting as possible.

• Zunächst kann ein Kabel in eine Senke des Wagenkastens eingelegt werden. Zur Fixierung des Kabels kann dieses über einen Kabelhalter anschließend mit dem Wagenkasten verbunden werden. Im nächsten Schritt wird bevorzugt eine Abdeckung an dem Wagenkasten befestigt. Anschließend kann das Einstellen des Luftspaltes zwischen Wagenkasten und Abdeckung erfolgen. Dazu können die oben beschriebenen Nutensteine in den C-Schienen verschoben werden.

In a method according to the invention for producing a rail vehicle, the following steps may be provided:

• First, a cable can be inserted into a sink of the car body. To fix the cable this can then be connected via a cable holder with the car body. In the next step, a cover is preferably attached to the car body. Subsequently, the adjustment of the air gap between the car body and cover can be done. For this purpose, the sliding blocks described above can be moved in the C-rails.

• 1 eine schematische perspektivische Ansicht eines Ausschnitts eines Wagenkastens mit einer Kabelaufnahme und einem Hochspannungskabel;
• 2 eine schematische geschnittene Seitenansicht eines Wagenkastens mit einer Kabelaufnahme mit Abdeckung;
• 3 eine schematische perspektivische Ansicht eines Ausschnitts einer Kabelaufnahme;
• 4 eine schematische perspektivische Ansicht der Ausführungsform der 3 mit verschlossener Kabelaufnahme;
• 5 eine schematische geschnittene Seitenansicht eines Wagenkastens mit einer alternativen Ausgestaltung einer Kabelaufnahme mit Abdeckung;
• 6 eine schematische Seitenansicht eines Ausschnitts eines Wagenkastens mit erfindungsgemäßer Kabelaufnahme.

The accompanying drawings illustrate embodiments of the invention and, together with the description, serve to explain the principles of the invention. Show it:

• 1 a schematic perspective view of a section of a car body with a cable receptacle and a high voltage cable;
• 2 a schematic sectional side view of a car body with a cable receptacle with cover;
• 3 a schematic perspective view of a section of a cable receptacle;
• 4 a schematic perspective view of the embodiment of the 3 with closed cable receptacle;
• 5 a schematic sectional side view of a car body with an alternative embodiment of a cable receptacle with cover;
• 6 a schematic side view of a section of a car body with inventive cable receptacle.

The following are with reference to the 1 to 6 described two preferred embodiments of the rail vehicle according to the invention.

In 1 is a section of a car body 1 a rail vehicle with a cable receptacle 21 shown. The detail shown here is a shell component, which is welded to adjacent shell components to a car body 1 to build. The car body 1 has an outer shell 27 with a sink 2 on, in the longitudinal direction L of the car body 1 runs. The valley 2 can be essentially the entire length of the car body 1 extend.

In the valley 2 is a high voltage cable 3 inserted. The high voltage cable 3 directs the current introduced via pantograph at the train or car end to the transformer or to the drive device of the rail vehicle.

2 is a sectional side view of a sink 2 according to the 1 , where here the cable holder 21 through the cover 6 partially closed. About a first fastening arrangement 4 and a second attachment arrangement 5 is a cover 6 on the car body 1 attached. The cover 6 is preferably made of sheet metal, in particular made of stainless steel sheet to achieve a weather-resistant, yet high-strength cover.

The mounting arrangement 4 also serves to fix the high voltage cable 3 , This is the high voltage cable 3 in a cable holder 7 used with the mounting arrangement 4 connected is.

The mounting arrangement 4 includes a C-rail 8th , a nut 9 , a screw 10 and a holding plate 11 , To the holding plate 11 on the car body 1 To fix, this is about the in the nut 9 inserted screw 10 jammed. For distributing the clamping forces on the retaining plate 11 and to reduce subsidence is in addition to a washer 12 an intermediate layer 13 intended.

The C-rail 8th can with the carbody 1 welded to avoid corrosion-prone screw connections. One in the C-rail 8th inserted sliding block 9 can be in the longitudinal direction of the C-rail or in the longitudinal direction L of Car body and to a slight extent in the transverse direction of the C-rail are moved to the position of the retaining plate 11 adapt.

The retaining plate 11 forms with the first mounting arrangement 4 a bracket 14 for fixing the cover 6 , The cover 6 is with one in a direction of insertion e tapering indentation 15 provided, the retaining plate 11 with a likewise in insertion direction e rejuvenating back 16 , In the indentation 15 is the back 16 can be used, with the inner surfaces of the indentation 15 and the outer surfaces of the back 16 attach to each other. This creates a play-free, positive connection between the holder 14 and the cover 6 ,

A substantially parallel to the outer shell 27 of the car body 1 extending extension 23 forms together with the car body 1 an air gap 24 , The air gap 24 allows ventilation or air circulation around the high voltage cable 3 and thus its cooling.

The second fastening arrangement 5 is on the bracket 14 opposite side of the cover 6 arranged. The mounting arrangement 5 comprises a fastening attachment designed as a fastening extension 17 , which can be configured as a mounting bracket. The fastener receptacle 17 is preferred with the car body 1 welded. Alternatively, the fastener receiving 17 be manufactured as part of an extruded profile in an aluminum car body made of extruded profiles. At the fastener holder 17 is a thread carrier 18 attached. The thread carrier 18 can be designed in particular as a cage nut. A screw 19 in the thread carrier 18 is screwed, finally serves to attach the bottom of the cover 6 , The screw 19 is to do so in a not shown here, also serving as a fastener receiving opening in the cover 6 used. The cover 6 has on its underside a projection 22 on, which forms a roof-like projection and thus in the cover 6 arranged, further fastener receiving and the second mounting arrangement 5 Protected from the weather and at least partially hidden from standing next to the vehicle people.

3 shows the mounting arrangements 4 . 5 of the 2 in a perspective view. The first fastening arrangement 4 includes for fixing the retaining plate 11 two screws 10 , each via not shown here Nutensteine with the C-rail 8th are connected. This is exactly how two screws are used 19 at the fastener receptacle 17 for fixing the cover not shown here. The first fastening arrangement 4 also serves to attach the cable holder 7 that's about a screw 20 with the retaining plate 11 connected is.

In 4 are the mounting arrangements 4 . 5 with closed cable receptacle 21 shown. Except for a part of the screw 20 for fixing the cable holder 7 , a part of the cable holder 7 and the screw heads of the screws 19 are the first mounting arrangement 4 and the second attachment arrangement 5 completely through the covers 6 covered. In the upper part of the covers 6 Thus, no fasteners are visible. The screws 19 are also under the overhangs 22 Protected from the weather. Between the covers 6 runs an additional air gap 25 that's like the air gap 24 of the 2 an air circulation and cooling of the cable in the receptacle 21 located high-voltage cable allows.

5 shows an alternative embodiment of a cable receptacle 21 , wherein for simplicity for elements of the same function, the previously used reference numerals have been reused. While the cover 6 the execution of 1 to 4 is preferably made of sheet metal, in particular made of stainless steel sheet, is the cover 6 of the 5 made of a fiber composite plastic, in particular of a fiberglass plastic. Although this requires thicker wall thicknesses to achieve the same stability. However, the cover has an overall lower weight.

To achieve a flush bearing surface between the indentation 15 and the retaining plate 11 to create and damage the cover made of fiberglass plastic 6 to avoid is on the retaining plate 11 a broadening 28 intended. The broadening 28 is preferably made of an elastomer. The broadening 28 can preferably on the holding plate 11 attached and / or glued on.

6 is a schematic representation of a section of a car body 1 with a cable holder 21 , Above the covers 6 limit air gaps 24 on, between the covers 6 run air gaps 25 , and below the covers 6 are more air gaps 26 arranged. The air gaps 26 are from the gap below the cover 6 formed, this one of the with the car body 1 welded fastener receptacles 17 is interrupted. The dimensions of the air gaps 24 . 25 . 26 are chosen so that there is adequate ventilation and cooling in the cable receptacle 21 located high voltage cable results.

The described and illustrated specific embodiments are not binding for the practice of the invention, but may be described in US Pat Can be suitably modified within the scope of the present invention without departing from the scope of the present invention.

LIST OF REFERENCE NUMBERS

1

car body

2

depression

3

High voltage cables

4

First fastening arrangement

5

Second mounting arrangement

6

cover

7

cable holder

8th

C-rail

9

sliding block

10

screw

11

Halteblech

12

washer

13

liner

14

holder

15

indentation

16

move

17

Mounting borrowing

18

thread carrier

19

screw

20

screw

21

cable storage

22

projection

23

extension

24

air gap

25

air gap

26

air gap

27

outer shell

28

widening

e

insertion

L

longitudinal direction

QUOTES INCLUDE IN THE DESCRIPTION

This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.

Cited patent literature

• DE 19537498 A1 [0003]
• CN 203151015 U [0004]

Claims (15)

Railway vehicle, comprising a carbody (1) with an outer casing (27), with a cable receiver (21) for guiding a high-voltage cable (3), the cable receiver (21) being supported by a sink (2) in the outer casing (27) of the carbody (27). 1) is formed and a cover (6) for covering a cable in the receptacle (21) recorded cable (3) is provided, which is repeatedly releasably secured to the car body (1). Rail vehicle after Claim 1 , wherein the mounting position of the cover (6) with respect. The outer shell (27) of the car body (1) is designed adjustable, which in particular gap dimensions between the outer shell (27) and the cover (6) are adjustable. Rail vehicle according to one of the above claims, wherein on the carriage body (1) a plurality of fastener receiving means (17) for fixing the cover (6) are provided. Rail vehicle according to one of the above claims, wherein the cover (6) has a fastener receiving means, which is covered in the assembled state of the cover (6) by a projection (22) of the cover (6). Rail vehicle according to one of the above claims, wherein on the car body (1) a C-rail (8) is arranged, on which the cover (6) by means of a sliding block (9) is fixed. Rail vehicle according to one of the above claims, wherein on the carriage body (1) a holder (14) for fixing the cover (6) on the car body (1) is provided. Rail vehicle after Claim 5 or 6 wherein the holder (14) and / or the C-rail (8) in the assembled state of the cover (6) between the cover (6) and the outer shell (27) of the car body (1) are arranged. Rail vehicle after Claim 6 or 7 in that the holder (14) has a spine (16) on which the cover (6) can be placed, and the cover (6) has a recess (15) tapering in an insertion direction (E) into which the spine (16 ) can be used. Rail vehicle after Claim 8 , wherein the back (16) and the indentation (15) are designed to fit into one another. Rail vehicle according to one of the preceding claims, wherein the cover (6) in the mounted state of the outer shell (27) of the car body (1) is spaced. Rail vehicle according to one of the above claims, wherein the cover (6) extends adjacent to the depression (2) and parallel to the body (1) and forms with it a first air gap (24). Rail vehicle after Claim 11 , wherein the inner walls of the air gap (24) extending substantially vertically upwards or in the direction of a longitudinal direction (L) of the car body (1) extending car body center plane. Rail vehicle after Claim 12 , wherein at least two covers (6) are provided, which are spaced apart in the mounted state and together form a second air gap (25) which extends substantially perpendicular to the first air gap (24). Rail vehicle according to one of the above claims, wherein the cable receptacle (21) in a roof area of the car body (1) is arranged, in particular in a lateral roof area of the car body (1). Method for producing a rail vehicle according to one of the above claims, characterized by the steps: a. Inserting a cable (3) in a recess (2) of the car body (1), b. Then attach a cover (6) to the car body (1), c. Then set the air gap (24, 25, 26) between the car body (1) and cover (6).

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