Technical Field
[0001] The invention relates to balise protection, specifically to balise protection for
communication with a railway vehicle mounted in the space between the rails of a railway
track.
State of the Art
[0002] At present, it is known that the ETCS railway system uses a balise designated as
an ETCS Eurobalise as one of the basic means of transferring information from the
trackside equipment to the rolling stock. This balise is located between the rails.
Between the rails, however, the balise is exposed to an increased risk of mechanical
damage or destruction by hanging objects and falling ice from rail vehicles, flying
gravel thrown by rail vehicles, etc. This can lead to damage to the balise and thereby
to a reduction of the availability of information transmitted from individual balises
to the rail vehicle, due to their malfunctions. Subsequently, this can also cause
a possible reduction in the operability of the entire ETCS system. Additionally, replacing
destroyed balises is quite expensive.
[0003] The arrangement of balises in the space between the rails of a railway track, without
special protection, is known for example from the patent documents
EP3369861 A1 and
KR 101273202 B1.
[0004] In view of the above, various types of mechanical protection are added to the balises
to protect the balises from mechanical damage. This is often insufficient, because
the protections used are easily damaged not only in the above-mentioned ways, but
also, for example, by simply stepping on and thereby destroying the protection by
a person or animal that happens to be in the area where the balise is placed. This
disrupts the function of the balise's protection, and the balise itself is then directly
threatened with destruction.
[0005] The main disadvantage of the current state of the art is that the balises are not
sufficiently protected and therefore a considerable number of them are damaged and
eventually destroyed.
[0006] The goal of the invention is to design a balise protection that will adequately protect
the balise itself, while the protection itself will be highly resistant to damage,
both in the above-mentioned ways from passing rail vehicles and also by other environmental
influences, while at the same time it will be simple to manufacture and therefore
inexpensive.
Principle of the Invention
[0007] The mentioned shortcomings are largely eliminated and the objectives of the invention
are fulfilled by the protection of a balise, in particular the protection of a balise
for communication with a railway vehicle fixed in the space between the rails of a
railway track, according to the invention, characterised by that it contains at least
one upwardly rising upwardly curved covering part arranged in the direction of travel
of the rolling stock, with the upwardly curved covering part being connected to a
covering channel in which the balise is arranged. The advantage is that the overall
construction and especially the shape of the covering part ensure increased resistance
both against damage to the protection itself and, above all, safely protect the balise
covered in the covering channel. Another advantage is that if a moving object collides
at speed with the balise protection, thanks to the shape of the covering part, the
moving object will bounce off and fly aside at a safe distance from the balise when
it hits the covering part.
[0008] It is to advantage if the covering channel connects to the covering part at its highest
point, and this highest point is placed higher than the top surface of the balise.
This ensures perfect overlapping of the channel with the balise.
[0009] It is also to advantage if at least one covering part and the covering channel form
a single unit. This ensures sufficient resistance in the event of an impact.
[0010] It is also very advantageous if the balise protection contains two covering parts
arranged in the direction of movement of the railway vehicle, with the covering parts
being connected to the covering channel. The advantage is that the balise is thus
protected against the movement of dangerous objects when the railway vehicle moves
in any direction.
[0011] Furthermore, it is to advantage if the balise is attached to the bottom of the covering
channel. This ensures that the balise is set in a safe place.
[0012] It is also to advantage when the balise is simultaneously attached to the bottom
of the covering channel and to the surface of the railway track. This ensures a stable
position of the entire balise protection with the balise.
[0013] According to one variant, the surface of the railway track for attaching the balise
with protection is, to advantage, the track superstructure. In this case, it is advantageous
if a cross bar is arranged between the balise and the bottom of the covering channel,
which is further arranged below the rails. The cross bar can be attached under the
rails, or it can be fixed under the bolts attaching the rails to the sleeper. The
balise protection is pressed by the cross bar against the track superstructure, whereby
the balise protection is firmly set in the designated place.
[0014] According to the second variant, the surface of the railway track for attaching the
balise with protection is a railway sleeper. In this case, it is to advantage if at
least one spacer plate is arranged between the balise and the railway sleeper. And
at the same time, it is to advantage if at least one spacer pad is arranged between
the balise and the bottom of the covering channel. The balise protection is again
firmly set in the designated place.
[0015] In both variants, it is also to advantage if the balise is attached to the bottom
of the covering channel and to the surface of the railway track by at least one connecting
means.
[0016] It is very advantageous if the covering part is made as flexible, and in the most
advantageous variant the covering part is made of a layered composite material. This
increases impact resistance and at the same time, when struck by a flying object,
it deflects the object to a safe height to fly over the balise without damaging it.
[0017] The main advantage of the balise protection according to the invention is that it
provides safe protection of balises against a direct hit or hooking by loose objects
hanging from passing rail vehicles, such as a loose air hose, a loose coupling, etc.
The balise protection will safely absorb such a blow from a free-hanging object and
thanks to the curved surface of the covering part, the object slides beyond the protection
of the balise or bounces off it. The shaped design also enables easy and quick mounting
on balise fastening systems. The shape of the balise protection design is also sufficiently
flexible and strong, with this being verified by testing that it resists the impact
of objects hanging freely or falling from the railway vehicles very well, even at
high speeds of these vehicles, with the tests being carried out at a speed of 160
km/h. Another advantage is that the balise protection is very easy to install, reducing
the installation time at the rail tracks. This is very advantageous because the installation
is cheaper and, above all, safer due to the reduction of the time spent by workers
at the rail tracks.
Overview of the Figures
[0018] The invention will be explained in more detail with the help of drawings, in which
fig. 1 shows a three-dimensional view of the assembled balise protection in the design
for attaching to a railway sleeper, fig. 2 shows an exploded three-dimensional view
of the balise protection in the design for attaching to a railway sleeper, fig. 3
shows a three-dimensional view of the assembled balise protection in the design for
attachment between rails, and fig. 4 shows an exploded three-dimensional view of the
balise protection in the design for attachment between rails.
Examples of the Performance of the Invention
Example 1
[0019] A protection of a balise 1 for communication with a rail vehicle (fig.1, fig.2),
which is arranged in the not-illustrated space between the rails of the railway track,
containing two upwardly rising upwardly curved covering parts 2 arranged in the direction
of travel of the rail vehicle. To the upwardly curved covering part 2 at its highest
place 4 is connected the covering channel
3, in which the balise
1 is arranged. As a variant, the protection of the balise
1 for one-way operation may contain only one covering part
2.
[0020] The covering parts
2 are designed as being flexible.
[0021] The covering parts
2 and the covering channel
3 form one indivisible unit, while being made of a layered composite material, which
is fibreglass composite.
[0022] The balise
1 is simultaneously attached by two connecting means
6, which are mounting bolts, through the holes
10 in the bottom
5 of the covering channel
3, to the surface of the railway track, which is a railway sleeper.
[0023] Arranged between the balise
1 and the bottom
5 of the covering channel
3, are two spacer pads
7.
[0024] Arranged between the balise
1 and the railway sleeper is a spacer plate
9.
Example 2
[0025] The protection of the balise 1 for communication with a rail vehicle (fig.3, fig.4),
which is arranged in the not-illustrated space between the rails of the railway track,
contains two upwardly rising, upwardly curved covering parts
2 arranged in the direction of travel of the rail vehicle. To the upwardly curved covering
part
2 at its highest place
4 is connected the covering channel
3, in which the balise
1 is arranged. As a variant, the protection of the balise
1 for one-way operation may contain only one covering part
2.
[0026] The covering parts
2 are designed as being flexible.
[0027] The covering parts
2 and the covering channel
3 form one indivisible unit, while being made of a layered composite material, which
is fibreglass composite.
[0028] The balise
1 is simultaneously attached by two connecting means
6, which are mounting bolts, to the cross bar
8, which is further arranged with its not shown ends under the not shown rails. These
connecting means
6 pass through the holes
10 in the bottom
5 of the covering channel
3 and ensure the protection of the balise
1 against unwanted longitudinal or transverse movement.
[0029] The cross bar
8 presses the protection of the balise
1 against the surface of the railway track, which is the track superstructure.
Industrial Application
[0030] The balise protection, according to the invention, can be used as protection of a
balise for communication with a railway vehicle, especially as balise protection in
the ETCS (European Train Control System) system, against direct impact or hooking
by loose objects hanging from passing rail vehicles.
List of Reference Marks
[0031]
- 1
- balise
- 2
- covering part
- 3
- covering channel
- 4
- the highest place
- 5
- the bottom of the covering channel
- 6
- connecting means
- 7
- spacer pad
- 8
- cross bar
- 9
- spacer plate
- 10
- holes
1. A balise protection, specifically the balise protection of a balise (1) for communication
with a railway vehicle arranged in the space between the rails of a railway track,
characterised by that it contains at least one upwardly rising curved covering part (2) arranged in the
direction of travel of the railway vehicle, with the upwardly curved covering part
(2) being connected to a covering channel (3), in which the balise (1) is arranged.
2. The balise protection, according to claim 1, characterised by that the covering channel (3) is connected to the covering part (2) at its highest point
(4).
3. The balise protection according to either one of claims 1 and 2, characterised by that at least one covering part (2) and the covering channel (3) form a single unit.
4. The balise protection, according to any one of claims 1 to 3, characterised by that it contains two covering parts (2) arranged in the direction of movement of the rail
vehicle, with the covering parts (2) being connected to the covering channel (3).
5. The balise protection according to any one of claims 1 to 4, characterised by that the balise (1) is attached to the bottom (5) of the covering channel (3).
6. The balise protection, according to any one of claims 1 to 5, characterised by that the balise (1) is simultaneously attached to the bottom (5) of the covering channel
(3) and to the surface of the railway track.
7. The balise protection, according to claim 6, characterised by that the surface of the railway track is the track superstructure.
8. The balise protection, according to claim 6, characterised by that the surface of the railway track is a railway sleeper.
9. The balise protection, according to any one of claims 5 to 8, characterised by that the balise (1) is attached to the bottom (5) of the covering channel (3) and to the
surface of the railway track by at least one connecting means (6).
10. The balise protection according to any one of claims 5 to 9, characterised by that between the balise (1) and the bottom (5) of the covering channel (3) at least one
spacer pad (7) is arranged.
11. The balise protection, according to any one of claims 5 to 9, characterised by that between the balise (1) and the bottom (5) of the covering channel (3), a cross bar
(8) is arranged which is further arranged under the rail tracks.
12. The balise protection according to any one of claims 8 to 10, characterised by that between the balise (1) and the railway sleeper, a spacer plate (9) is arranged.
13. The balise protection according to any one of claims 1 to 12, characterised by that the covering part (2) is made to be flexible.
14. The balise protection according to any one of claims 1 to 13, characterised by that the covering part (2) is made of a laminated composite material.