The invention relates to a banister arrangement for a rail vehicle, in particular for a rail vehicle having an end cab. The invention furthermore comprises a rail vehicle having such a banister arrangement, and a method for handling such a banister arrangement. In particular, the invention comprises a two-position hand bar and step combination.
The space provided at the corners of the front end region (or “of the front end regions”, depending on the use) of a rail vehicle having an end cab is restricted by diverse attachments, e.g. actuations for couplings or crash elements or the contour of the front end nose, in such a manner that an arrangement, which is customary for rail vehicles having a central cab, of footsteps and handlebars for switching purposes in accordance with a customary standard (e.g. EN16116-1 or -2) and resulting spaces to be kept free for handlebars and switchman's footsteps can be realized only with difficulty, if at all, because of a lack of space.
This applies in particular to handlebars and footsteps for switching purposes in conjunction with an access to the upper footstep plane in rail vehicles having an end cab, the handlebars and footsteps being used for maintenance purposes, e.g. for cleaning the front window.
This problem has specifically not yet occurred up to now in rail vehicles having an end cab for switching purposes since up to now only rail vehicles having central cabs have been used for switching purposes (with a switchman's footstep according to EN16116-1).
In certain types of freight cars (e.g. flat cars), use is made of hand bars which can be partially folded away and, in the folded-up state, do not restrict the space for the freight and, in the unfolded state, ensure a gripping possibility for the switchman. However, this principle cannot be used for a rail vehicle having an end cab.
It is an object of the present invention to specify a banister arrangement and a method for handling such a banister arrangement, with which the above-described disadvantages are avoided and in particular secure holding is ensured.
This object is achieved by a banister arrangement as claimed in claim 1, a rail vehicle as claimed in claim 6 and a method as claimed in claim 15.
A banister arrangement according to the invention for a rail vehicle, in particular an end cab locomotive, comprises a banister element and a holding element in which the banister element is arranged (mounted) so as to be rotatable about an axis of rotation. The holding element is configured here in such a manner that it is attached or is attachable as intended to the outside in the front end region of a rail vehicle such that the axis of rotation is oriented vertically.
A banister arrangement can also be referred to as a “handlebar arrangement” or “footstep bar arrangement” depending on the designated position on a rail vehicle. For example, a banister arrangement arranged at a low level can also serve as a footstep and one arranged at a high level as a grip. However, a banister arrangement can also serve both as a grip and as a footstep, e.g. as a footstep rung, if the banister arrangement serves as a type of ladder.
A rail vehicle according to the invention comprises a banister arrangement according to the invention, wherein the holding element is arranged in the external region, in particular in the front end region, or in the region of a buffer, in such a manner that the axis of rotation is oriented vertically.
The banister arrangement is therefore attached rotatably to the rail vehicle and can thus be pivoted into different positions. Preferred positions are a position for switching purposes (“switching position”) and a position for maintenance purposes (“maintenance position”).
In the switching position, the banister arrangement is intended to be situated in such a manner that it provides a gripping option for holding during the switching operation, in particular when using a remote control. It would furthermore be advantageous if, in the event of a switchman's step being present in the front end region, said switchman's step is correspondingly delimited on one side by a banister element of the banister arrangement. In addition, in the switching position, the banister arrangement is intended to block access to an upper footstep plane for working protection reasons. Such access is not necessary in switching operation. The banister arrangement is intended to be oriented in the switching position in such a manner that it provides securing from the front toward the buffer and an additional possibility for taking up the secure switching position. For this purpose, it does not have to be located in front of the switchman's footstep (on the side facing away from the rail vehicle), but better delimit the side which faces a buffer (next to the switchman's footstep) since a path to an upper footstep plane arranged above the buffer can thereby be effectively blocked.
In addition, a clearance is intended to be ensured above the switchman's footstep in accordance with the standard, i.e. the space is not obstructed by footstep steps to an upper footstep plane. An embodiment which achieves this will be described further below.
For maintenance purposes, the banister arrangement is intended to be able to be rotated from the switching position into the maintenance position (and optionally fixed), as a result of which the path to the upper footstep becomes free.
At the same time, the banister arrangement is intended to provide a gripping option when climbing up and climbing down, and a safety area forward toward the buffer for working protection reasons. For this purpose, a banister element is preferably rotated in such a manner that it is now located in front of the upper footstep (on the side facing away from the rail vehicle). It would also be desirable if, in the maintenance position, the banister arrangement were to provide additional footstep steps to safely reach the upper footstep, in a manner meeting the needs of working protection, in the clearance of the switchman's step. Such an embodiment will be described further below.
A method according to the invention for handling a banister arrangement according to the invention on a rail vehicle according to the invention comprises the following steps. A (or the) banister element of the banister arrangement is fixable here by means of a locking element. The steps are:
The banister element, which can be a hand bar or a footstep, can therefore be rotated into at least two positions in which it can be locked. The two lockable positions are intended to be the switching position and the maintenance position.
Further, particularly advantageous embodiments and refinements of the invention will emerge from the dependent claims and from the following description, wherein the claims of one claim category may also be refined analogously to the claims and description parts of another claim category, and in particular also individual features of different exemplary embodiments or variants may be combined to form new exemplary embodiments or variants.
According to a preferred embodiment of the banister arrangement, the banister element comprises bars which are arranged parallel and/or orthogonally to the axis of rotation. Here, the bars are intended to have a diameter of greater than 2 cm, but smaller than 10 cm, so that they can readily be grasped and so that they can be used as comfortable footsteps. It is preferred here if at least some of the bars arranged in parallel are designed as handlebars and/or at least some of the orthogonally arranged bars are designed as footstep bars. It should be noted that, in the event of rotation about the vertical axis of rotation, the orientation of the bars (parallel or orthogonally) to said axis of rotation does not change and the bars can continue to be used as a grip or footstep, or simply just for blocking. The bars are preferably hollow.
A preferred embodiment of the banister arrangement comprises at least two banister elements on opposite sides of the holding element, preferably one above the holding element (with respect to the axis of rotation) and one below the holding element. The banister elements are preferably fixedly connected here to one another by a rigid bar and are jointly rotatable about the axis of rotation. Alternatively, they can also be unconnected and rotatable independently of one another about the axis of rotation.
It is preferred that the banister elements are preferably rotated or rotatable by 90° with respect to one another about the axis of rotation, i.e. they are or can be oriented orthogonally to one another. Therefore, in the connected case, it is possible, for example, for an (upper) banister element to secure a switchman's footstep to the side (toward a buffer) and to serve as a grip and for a (lower) banister element to secure the switchman's footstep forward. The term “to the side” means that the plane of a banister element is oriented vertically and parallel to the longitudinal axis of the rail vehicle, and the term “forward” means that the plane of a banister element is oriented vertically and orthogonally to the longitudinal axis of the rail vehicle.
According to a preferred embodiment of the banister arrangement, at least one banister element is lockable or fixable. For this purpose, it preferably has a locking element in the region of the axis of rotation or remote from the axis of rotation. Thus, the banister element can therefore be fixed in preferred positions, e.g. in the abovementioned switching position and/or the maintenance position, and therefore an unintentional rotational movement is prevented. This serves for secure holding or for ensuring a safety feature. The locking element does not necessarily have to be part of the banister arrangement here. It suffices if the banister arrangement is formed at predetermined points in such a manner that it can engage in a locking element or can be held by the latter. For example, in a very simple case, a banister element can have at the bottom a vertical tube end which can engage in a hole in a plate on the rail vehicle.
According to a preferred embodiment, the banister arrangement is a steel tube structure or a plastics tube structure. The tubes can be hollow or compact here (i.e. bars made of solid material). However, hollow elements are preferred since they have a lower weight while having sufficient strength.
A preferred embodiment of the rail vehicle comprises an end cab, wherein the banister arrangement is attached in the region next to or in front of the end cab, preferably in the region of buffers of the rail vehicle. Said buffers are preferably attached here in such a manner that a switchman's stand according to a current standard, e.g. the standard EN16116-1, can be attached between the end cab and the buffer plate. A preferred end cab locomotive for switching operation comprises buffer systems, an end cab and a switchman's footstep in front of the end cab on the side of a first buffer system. The switchman's footstep is arranged here in such a manner that, when the buffer is completely elastically pushed in, the buffer plane lies in front of the switchman's footstep. The space above the switchman's footstep, i.e. the space which is spanned by the vertical projection of the switchman's footstep, therefore lies outside the clearance of the first buffer system. The banister arrangement is preferably arranged on this rail vehicle in such a manner that, when the buffer is completely elastically pushed in, the buffer plane lies in front of the banister arrangement. The banister arrangement therefore preferably lies outside the clearance of the buffers of the rail vehicle.
According to a preferred embodiment of the rail vehicle, the (or a) banister element comprises bars which are arranged parallel and/or orthogonally to the axis of rotation (see above). It is preferred here that at least some of the bars which are arranged parallel to the axis of rotation and are arranged above a buffer of the rail vehicle are designed as gripping bars. It is similarly preferred for at least some of the bars which are arranged orthogonally with respect to the axis of rotation and are arranged under a buffer of the rail vehicle are designed as footstep bars. When a person is standing on a switchman's footstep, this region is located below the buffer in the region of the person's legs, and therefore a footstep is advantageous there if the person wants to climb to an upper level. A banister above the buffers is located in the region of the person's arms, and therefore a grip is advantageous there.
A preferred embodiment of the rail vehicle comprises a number of blocking elements which are configured and arranged in such a manner that they can releasably fix a banister element of the banister arrangement in a predetermined position. The locking elements do not absolutely have to be located on the banister arrangement; instead, they can be arranged in particular on a footstep. In a simple case, they can be holes in a footstep plate, into which a tube end of a banister element can be introduced. Preferably, a number of locking elements are arranged in such a manner that they can fix a part of the banister element that is remote from the axis of rotation. This increases the lever effect of the locking elements.
A preferred embodiment of the rail vehicle is configured with a number of locking elements to such an extent that a (the) banister element can be fixed in two different positions. These positions preferably correspond to an angle of rotation of at least 70° about the axis of rotation, particularly preferably of at least 80°. Preferred positions lie rotated with respect to one another about the axis of rotation in particular by an angle of rotation of 90°.
A preferred embodiment of the rail vehicle additionally comprises a footstep (e.g. for maintenance or switching purposes) which is arranged in particular in the region of a buffer of the rail vehicle. The term “footstep” normally refers to a standing surface. If a footstep has a banister or a holding bar, it may also be referred to as a “stand”.
For example, a switchman's footstep can be arranged offset somewhat laterally under the buffer, or a maintenance footstep can be arranged on or above the buffer or a crash element on the buffer. Said footstep is intended to be delimited on at least one side by a banister element of the banister arrangement (and therefore in particular to form a stand). The rail vehicle preferably comprises here at least two footsteps in the region of the buffer, e.g. the abovementioned switchman's footstep and maintenance footstep which are jointly delimited on at least one of their sides by at least one banister element of the banister arrangement. The invention is particularly advantageous for such an arrangement since the rotatability of the banister arrangement can now ensure changing accesses or degrees of safety. The delimitation by the banister element is preferably such that it forms a barrier in a position of the banister arrangement between the two footsteps and lies in particular on a vertically oriented plane which, in the case of blocking, is preferably oriented parallel to the longitudinal axis of the rail vehicle.
A preferred embodiment of the rail vehicle comprises an upper footstep (maintenance footstep) above a buffer of the rail vehicle (e.g. on or above the buffer or a crash element of the buffer) and a lower footstep (switchman's footstep) below the buffer (and somewhat laterally offset), which footsteps are jointly delimited on at least one side by at least one (upper) banister element of the banister arrangement. Said banister element preferably reaches at least 70 cm, in particular at least 90 cm or even one meter above the upper footstep, and therefore it can be used as a banister and/or handle for both footsteps.
It is preferred here that the banister element can be rotated about the axis of rotation into a first position (the maintenance position) in which it permits access from the lower footstep to the upper footstep and, as a banister, preferably additionally delimits the upper footstep on its side facing away from the rail vehicle. Furthermore, it is preferred that the banister element can be rotated about the axis of rotation into a second position (the switching position) in which it blocks access from the lower footstep to the upper one and preferably can additionally be used as a grip for a person standing on the lower footstep.
A preferred embodiment of the rail vehicle comprises a (lower) banister element which is arranged in the height region between the aforementioned footsteps and can be used as a banister and also as a step or ladder. It is preferred here for said banister element to be able to be rotated about the axis of rotation into a first position (maintenance position) in which it can serve as a step/ladder from the lower footstep to the upper footstep and, as a banister, preferably additionally delimits the lower footstep from the buffers of the rail vehicle, and can be rotated into a second position (switching position) in which, as a banister, it delimits the lower footstep on its side facing away from the rail vehicle. The (lower) banister element mentioned here is preferably advantageous in combination with the aforementioned (upper) banister element. In particular if the two banister elements lie on a respective plane which are rotated 90° with respect to one another about the axis of rotation. If the (upper) banister element is oriented parallel to the longitudinal axis of the rail vehicle, the (lower) banister element is preferably orthogonal thereto, and vice versa.
A preferred embodiment of the rail vehicle additionally comprises a mounting interface for attaching the banister arrangement to a buffer of the rail vehicle, said mounting interface comprising a mounting body with a component-fastening region and an attachment region different therefrom, wherein the component-fastening region is provided with fastening elements and/or holes for attaching the components, and the attachment region is shaped in such a manner that it can be fastened at at least two fastening points of a buffer flange of the buffer (also sometimes referred to as a “buffer baseplate”) with buffer screws (as a rule commercially available screws). The space available is thereby optimally used and therefore the standardized requirements for switching met.
An advantage of the invention is ensuring a secure hold for a person in the front end region of a rail vehicle having an end cab during switching operation, in particular associated with a simultaneous blocking of access to an upper footstep plane for working protection reasons during switching operation. The possibility of moving the banister arrangement brings about a further advantage of ensuring access (climbing up and climbing down) to an upper footstep in the event of maintenance, in particular associated with a simultaneous safety barrier forward in the region of the buffer. A standard locomotive of a main line locomotive (not intended for switching purposes) can thus be reequipped to such an extent that it can also be used for switching purposes.
The invention will also be explained once again in detail below with reference to the attached figures using exemplary embodiments. The same components in the various figures are provided with identical reference numbers here. The FIGS. are generally not to scale. In the figures:
In the front end region, the rail vehicle 20 has a maintenance footstep 5 as the upper footstep and a switchman's footstep 6, which is mounted on a mounting 7, as the lower footstep. On the maintenance footstep 5 it is possible, for example, to reach the windows of the end cab 25 of the rail vehicle (20) in order to clean them. A person can stand on the switchman's footstep 6 during switching operation. It corresponds here to the specifications of the standard EN16116-2.
In this example, the maintenance footstep 5 is attached directly to the buffer 21 by means of a mounting interface 8. The mounting interface 8 is located here between the buffer flange of the buffer 21 and a crash element (not denoted in detail) and is fastened there with the buffer screws.
The banister elements 2a, 2b of the banister arrangement 1 are manufactured here from bars (or tubes) which are preferably hollow and are preferably a steel tube structure. In the upper banister element 2a, the bars run largely parallel to the axis of rotation D so that they can readily serve as handlebars. In the lower banister element 2b, the bars largely run orthogonally to the axis of rotation D so that they can readily serve as footstep bars.
The banister arrangement 1 is positioned in such a manner that it delimits the two footsteps 5, 6 on at least one of the sides thereof with a banister element 2a, 2b. The banister arrangement 1 can be rotated here into a switching position and into a maintenance position and fixed there (see
In this example, there are two locking elements 4, and therefore the banister arrangement 1 can be fixed in the two different positions according to
In conclusion, attention is once again drawn to the fact that the embodiments described in detail above and in the method are merely exemplary embodiments which can be modified in many different ways by a person skilled in the art without leaving the scope of the invention. Moreover, the use of the indefinite article “a” or “an” does not exclude the possibility that there may be more than one of the features concerned. In addition, terms such as “unit” do not exclude the fact that the components concerned consist of a plurality of interacting subcomponents which may optionally also be arranged in a spatially distributed manner.
Number | Date | Country | Kind |
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10 2021 200 873.9 | Feb 2021 | DE | national |
Filing Document | Filing Date | Country | Kind |
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PCT/EP2021/084377 | 12/6/2021 | WO |