EP3567160B1 - Temporary switch - Google Patents

Temporary switch Download PDF

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Publication number
EP3567160B1
EP3567160B1 EP19172729.6A EP19172729A EP3567160B1 EP 3567160 B1 EP3567160 B1 EP 3567160B1 EP 19172729 A EP19172729 A EP 19172729A EP 3567160 B1 EP3567160 B1 EP 3567160B1
Authority
EP
European Patent Office
Prior art keywords
rails
temporary switch
primary track
rail
temporary
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP19172729.6A
Other languages
German (de)
French (fr)
Other versions
EP3567160A1 (en
Inventor
Teemu Happonen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Destia Oy
Original Assignee
Destia Oy
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Destia Oy filed Critical Destia Oy
Publication of EP3567160A1 publication Critical patent/EP3567160A1/en
Application granted granted Critical
Publication of EP3567160B1 publication Critical patent/EP3567160B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B23/00—Easily dismountable or movable tracks, e.g. temporary railways; Details specially adapted therefor
    • E01B23/10—Shiftable tracks for heavy loads, e.g. carrying excavators
    • E01B23/16—Switches
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B23/00—Easily dismountable or movable tracks, e.g. temporary railways; Details specially adapted therefor
    • E01B23/02—Tracks for light railways, e.g. for field, colliery, or mine use
    • E01B23/06—Switches; Portable switches; Turnouts
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B23/00—Easily dismountable or movable tracks, e.g. temporary railways; Details specially adapted therefor
    • E01B23/08—Temporary tracks for use while repairing tramways
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B7/00—Switches; Crossings

Definitions

  • the invention relates to a temporary switch for directing rail traffic away from a primary track.
  • US 931,493 A shows a temporary switch comprising a pair of rails curving in the lateral direction and two parallel frame beams being respectively fastened to the pair of rails such that the temporary switch is liftable over the rails of the primary track.
  • inventive embodiments are also set forth in the description and drawings of this application.
  • inventive content disclosed in the application may also be defined in another way besides that described in the following claims.
  • inventive content may also consist of several individual inventions, especially if the invention is considered in light of the disclosed or implicit sub-functions or in terms of the benefits or categories of benefits provided. In that case, some of the features disclosed in the following claims may be unnecessary for individual inventive ideas.
  • the features of different embodiments of the invention may be applied in connection with other embodiments within the scope of the basic inventive idea.
  • Fig. 1 schematically illustrates one temporary switch 100 arranged on a primary track 200 as a perspective view
  • Fig. 2 illustrates a corresponding top view.
  • the temporary switch 100 comprises a pair of rails curving in the lateral direction, including rails 1a, 1b.
  • the temporary switch 100 directs rail traffic coming from the bottom left in the figure away from the primary track 200 to a side track 2.
  • the temporary switch 100 further comprises two frame beams 3a, 3b arranged parallel to each other and spaced from each other by a distance corresponding to the track gauge of the primary track 200.
  • a lower side of the frame beam 3a, 3b comprises a concave cross-section sized such that a primary track rail 300a, 300b may be fitted in said concave cross-section. This way, the frame beams 3a, 3b hold the temporary switch 100 over the primary track 200 and prevent or at least limit a lateral movement between the temporary switch 100 and the primary track.
  • the frame beams 3a, 3b are fastened to the pair of rails 1a, 1b curving in the lateral direction and to each other such that the frame beam 3a on the inner curve side extends from underneath the rail 1a on the inner curve side to underneath the rail 1b on the outer curve side.
  • the mechanical structure of the temporary switch 100 is sized such that it is liftable as one piece over the primary track rails 300a, 300b, and vice versa, it is liftable as one piece away from the primary track 200. This way, the temporary switch 100 may be moved quickly to and away from the primary track 200.
  • disturbances and delays occurring in the operation of the track may be reduced to a substantial degree.
  • Fig. 3 schematically illustrates one temporary switch as a top view.
  • the temporary switch 100 comprises one or more adjustment supports 4 arranged to support the temporary switch rail 1b on the outer curve side. It should be noted that the adjustment supports may also be used for supporting the rail 1a on the inner curve side.
  • the adjustment support 4 comprises a substantially horizontal beam 5, transverse relative to the rail, secured to a suitable point of the rail 1b by a pressure joint.
  • the adjustment support 4 may further comprise height adjustment elements, such as screw adjustment, one or more wedges or a shim by which the temporary switch 100 can be supported against an embankment or the like.
  • the adjustable and removable adjustment supports 4 facilitate the fitting of the temporary switch, regardless of the shape, size, positioning and material of railroad ties of the primary rail.
  • the temporary switch 100 comprises at least one additional segment 6 comprising additional segment rails 7a, 7b.
  • the additional segment 6 is removably connectable to the rails of the temporary switch at their end 8a, 8b curving away from the primary track.
  • the distance of the side track 2 from the primary track 200 may be increased without, however, increasing the size of the temporary switch 100.
  • installing the temporary switch 100 is simple and does not require excessively heavy-duty cranes.
  • Fig. 5 illustrates one embodiment for fastening the additional segment 6.
  • the pair of rails of the temporary switch comprises guide means 18 and the pair of rails of the additional segment comprises their counterpart means 19.
  • the guide means 18 is a locating pin and the counterpart means 19 is a counterpart hole receiving the guide pin.
  • the guide means 18 and the counterpart means 19 are arranged for aligning the pairs of rails so as to make their connecting easier and quicker.
  • Fig. 4 schematically illustrates one detail of the temporary switch as a top view.
  • the cross-sectional profile of the frame beam 3a, 3b may be a U-profile at least along part of the length of the frame beam.
  • the cross-sectional profile of the frame beam 3a, 3b comprises an L-profile.
  • One purpose of the frame beams 3a, 3b is to hold the temporary switch 100 laterally in the right place relative to the primary track 200.
  • the temporary switch 100 comprises fastening means 9 for removably fastening the temporary switch 100 to the primary track 200.
  • the fastening means 9 are arranged in the vicinity of the tip of the temporary switch 100, i.e. the point where the temporary switch 100 receives rolling stock coming from the primary track.
  • the fastening means 9 may of course be arranged at more than one point of the temporary switch 100.
  • the fastening means 9 include an upper beam 10 fastened under both of the rails 1a, 1b of the pair of rails of the temporary switch, and a lower beam 11 arranged under the rails of the primary track 200.
  • the length of the lower beam is selected so as to be arrangeable under the pair of rails of the primary track such that it extends at least under both of the rails 300a, 300b of the primary track.
  • the fastening means 9 further comprise coupling means 12 arranged to couple the upper beam 10 to the lower beam 11 alongside the primary track rail 300a, 300b.
  • the fastening means 9 comprise two coupling means 10.
  • the coupling means 12 are arranged to be fastened to the upper and lower beams between the primary track rails 300a, 300b.
  • the coupling means 12 comprise an upper fastening pin 13 fitted through the upper beam 10, a lower fastening pin 14 fitted through the lower beam 11, and threaded tightening pins 15 fitted through both ends of the fastening pins 13, 14 with nuts 16.
  • the beams 10, 11 may be tightened by means of the tightening pins 15 and the nuts 16 against the primary track rails 300a, 300b so as to fasten the temporary switch 100 to the primary track.
  • the temporary switch 100 is arrangeable over different-sized rails, such as over rails of, for example, 54kg and 60kg.
  • one or more height adjustment plates 17 may be arranged under the frame beam 3a, 3b, i.e. between the frame beam and the primary track rail 300a, 300b. By adding or removing the height adjustment plates 17, the temporary switch 100 can be adapted for different-sized rails.
  • the height adjustment plate 17 is at least substantially equally long as the corresponding frame beam 3a, 3b.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)

Description

    Background
  • The invention relates to a temporary switch for directing rail traffic away from a primary track.
  • There are needs to direct rolling stock temporarily away from, or back to, a primary, operated track. Such needs involve for instance directing stock used for railway work, i.e. maintenance or construction of a track, to and away from the track, or for example for transporting material by rail to a construction site located in the vicinity of the track.
  • US 931,493 A shows a temporary switch comprising a pair of rails curving in the lateral direction and two parallel frame beams being respectively fastened to the pair of rails such that the temporary switch is liftable over the rails of the primary track.
    • Short description
  • The temporary switch according to the invention is characterized in that the switch comprises
    • a pair of rails curving in the lateral direction
    • two frame beams arranged parallel to each other and spaced from each other by a distance corresponding to the track gauge of a primary track,
    • a lower side of the frame beams comprises a concave cross-section for receiving a primary track rail of the primary track,
    • the frame beams being respectively fastened to the pair of rails and to each other such that the frame beam on the inner curve side extends from underneath the rail on the inner curve side to underneath the rail on the outer curve side, and that
      the temporary switch is liftable over the primary track rails.
  • Other embodiments of the invention are characterized by the features set forth in other claims.
  • Inventive embodiments are also set forth in the description and drawings of this application. The inventive content disclosed in the application may also be defined in another way besides that described in the following claims. The inventive content may also consist of several individual inventions, especially if the invention is considered in light of the disclosed or implicit sub-functions or in terms of the benefits or categories of benefits provided. In that case, some of the features disclosed in the following claims may be unnecessary for individual inventive ideas. The features of different embodiments of the invention may be applied in connection with other embodiments within the scope of the basic inventive idea.
    • Short description of the figures
  • The invention is disclosed in more detail in the accompanying drawings, in which
    • Fig. 1 schematically illustrates one temporary switch arranged on a primary track as a perspective view,
    • Fig. 2 schematically illustrates the temporary switch of Fig. 1 arranged on the primary track as a top view,
    • Fig. 3 schematically illustrates one temporary switch as a top view,
    • Fig. 4 schematically illustrates one detail of a temporary switch as a top view, and
    • Fig. 5 schematically illustrates another detail of a temporary switch as a top view.
  • For clarity purposes, the invention is illustrated in the figures in a simplified form. Like parts are indicated with the same reference numerals in the figures.
    • Detailed description
  • Fig. 1 schematically illustrates one temporary switch 100 arranged on a primary track 200 as a perspective view, while Fig. 2 illustrates a corresponding top view.
  • The temporary switch 100 comprises a pair of rails curving in the lateral direction, including rails 1a, 1b. The temporary switch 100 directs rail traffic coming from the bottom left in the figure away from the primary track 200 to a side track 2.
  • The temporary switch 100 further comprises two frame beams 3a, 3b arranged parallel to each other and spaced from each other by a distance corresponding to the track gauge of the primary track 200. A lower side of the frame beam 3a, 3b comprises a concave cross-section sized such that a primary track rail 300a, 300b may be fitted in said concave cross-section. This way, the frame beams 3a, 3b hold the temporary switch 100 over the primary track 200 and prevent or at least limit a lateral movement between the temporary switch 100 and the primary track.
  • The frame beams 3a, 3b are fastened to the pair of rails 1a, 1b curving in the lateral direction and to each other such that the frame beam 3a on the inner curve side extends from underneath the rail 1a on the inner curve side to underneath the rail 1b on the outer curve side. The mechanical structure of the temporary switch 100 is sized such that it is liftable as one piece over the primary track rails 300a, 300b, and vice versa, it is liftable as one piece away from the primary track 200. This way, the temporary switch 100 may be moved quickly to and away from the primary track 200. By using the temporary switch 100 according to the invention, disturbances and delays occurring in the operation of the track may be reduced to a substantial degree.
  • Fig. 3 schematically illustrates one temporary switch as a top view. In one embodiment the temporary switch 100 comprises one or more adjustment supports 4 arranged to support the temporary switch rail 1b on the outer curve side. It should be noted that the adjustment supports may also be used for supporting the rail 1a on the inner curve side. In the embodiment illustrated in Fig. 3 the adjustment support 4 comprises a substantially horizontal beam 5, transverse relative to the rail, secured to a suitable point of the rail 1b by a pressure joint. The adjustment support 4 may further comprise height adjustment elements, such as screw adjustment, one or more wedges or a shim by which the temporary switch 100 can be supported against an embankment or the like. The adjustable and removable adjustment supports 4 facilitate the fitting of the temporary switch, regardless of the shape, size, positioning and material of railroad ties of the primary rail.
  • According to one idea the temporary switch 100 comprises at least one additional segment 6 comprising additional segment rails 7a, 7b. The additional segment 6 is removably connectable to the rails of the temporary switch at their end 8a, 8b curving away from the primary track. By means of the additional segment 6, the distance of the side track 2 from the primary track 200 may be increased without, however, increasing the size of the temporary switch 100. Thus, installing the temporary switch 100 is simple and does not require excessively heavy-duty cranes.
  • Fig. 5 illustrates one embodiment for fastening the additional segment 6. Accordingly, the pair of rails of the temporary switch comprises guide means 18 and the pair of rails of the additional segment comprises their counterpart means 19. In the embodiment of the figure the guide means 18 is a locating pin and the counterpart means 19 is a counterpart hole receiving the guide pin. The guide means 18 and the counterpart means 19 are arranged for aligning the pairs of rails so as to make their connecting easier and quicker.
  • Fig. 4 schematically illustrates one detail of the temporary switch as a top view. Firstly, it can be seen that in the embodiment illustrated in the figure, the cross-sectional profile of the frame beam 3a, 3b may be a U-profile at least along part of the length of the frame beam. In one other embodiment the cross-sectional profile of the frame beam 3a, 3b comprises an L-profile. One purpose of the frame beams 3a, 3b is to hold the temporary switch 100 laterally in the right place relative to the primary track 200.
  • According to one idea the temporary switch 100 comprises fastening means 9 for removably fastening the temporary switch 100 to the primary track 200. In Fig. 4 the fastening means 9 are arranged in the vicinity of the tip of the temporary switch 100, i.e. the point where the temporary switch 100 receives rolling stock coming from the primary track. The fastening means 9 may of course be arranged at more than one point of the temporary switch 100.
  • In the embodiment illustrated in Fig. 4 the fastening means 9 include an upper beam 10 fastened under both of the rails 1a, 1b of the pair of rails of the temporary switch, and a lower beam 11 arranged under the rails of the primary track 200. The length of the lower beam is selected so as to be arrangeable under the pair of rails of the primary track such that it extends at least under both of the rails 300a, 300b of the primary track. The fastening means 9 further comprise coupling means 12 arranged to couple the upper beam 10 to the lower beam 11 alongside the primary track rail 300a, 300b. In the embodiment illustrated in the figure the fastening means 9 comprise two coupling means 10. The coupling means 12 are arranged to be fastened to the upper and lower beams between the primary track rails 300a, 300b.
  • In the embodiment illustrated in the figure the coupling means 12 comprise an upper fastening pin 13 fitted through the upper beam 10, a lower fastening pin 14 fitted through the lower beam 11, and threaded tightening pins 15 fitted through both ends of the fastening pins 13, 14 with nuts 16. The beams 10, 11 may be tightened by means of the tightening pins 15 and the nuts 16 against the primary track rails 300a, 300b so as to fasten the temporary switch 100 to the primary track.
  • According to one idea the temporary switch 100 is arrangeable over different-sized rails, such as over rails of, for example, 54kg and 60kg. To compensate for rail size differences, one or more height adjustment plates 17 may be arranged under the frame beam 3a, 3b, i.e. between the frame beam and the primary track rail 300a, 300b. By adding or removing the height adjustment plates 17, the temporary switch 100 can be adapted for different-sized rails. In one embodiment the height adjustment plate 17 is at least substantially equally long as the corresponding frame beam 3a, 3b.
  • In some cases the features disclosed in this application may be used as such, regardless of the other features. On the other hand, the features disclosed in this application may be combined as necessary to form various combinations.
  • The purpose of the drawings and the related description is only to explain the idea of the invention. It is obvious for a person skilled in the art that the invention is not limited to the embodiments disclosed above, illustrating the invention by way of some examples, but many modifications and various applications of the invention are possible within the scope of the inventive idea defined by the following claims.
    • References
    • 1a, 1b
    temporary switch rail
    2
    side rail
    3a, 3b
    frame beam
    4
    adjustment support
    5
    adjustment support beam
    6
    additional segment
    7a, 7b
    additional segment rail
    8a, 8b
    rail end
    9
    fastening means
    10
    upper beam
    11
    lower beam
    12
    coupling means
    13
    upper fastening pin
    14
    lower fastening pin
    15
    tightening pin
    16
    nut
    17
    height adjustment plate
    18
    guide means
    19
    counterpart means
    100
    temporary switch
    200
    primary track
    300a, 300
    bprimary track rail

Claims (10)

  1. A temporary switch (100) for directing rail traffic away from a primary track (200), the switch (100) comprising
    - a pair of rails (1a, 1b) curving in the lateral direction,
    - two frame beams (3a, 3b) arranged parallel to each other and spaced from each other by a distance corresponding to the track gauge of the primary track (200),
    - a lower side of the frame beams (3a, 3b) comprises a concave cross-section for receiving a primary track rail (300a, 300b), of the primary track (200)
    - the frame beams (3a, 3b) being respectively fastened to the pair of rails (1a, 1b) and to each other such that the frame beam (3a) on the inner curve side extends from underneath the rail (1a) on the inner curve side to underneath the rail (1b) on the outer curve side, and that
    the temporary switch (100) is liftable over the rails of the primary track (200).
  2. The temporary switch according to claim 1, wherein the cross-sectional profile of the frame beam (3a, 3b) comprises a U-profile.
  3. The temporary switch according to claim 1, wherein the cross-sectional profile of the frame beam (3a, 3b) comprises an L-profile.
  4. The temporary switch according to any of the preceding claims, comprising fastening means (9) for fastening to the primary track (200), the fastening means (9) including:
    - an upper beam (10) fastened under both of the rails (1a, 1b) of the pair of rails of the temporary switch,
    - a lower beam (11) arranged under the primary track rails (300a, 300b), the length of the lower beam selected such that it extends at least under both of the rails (300a, 300b) of the primary track,
    - coupling means (12) arranged to couple the upper beam (10) to the lower beam (11) alongside the rails of the primary track.
  5. The temporary switch according to claim 4, wherein the coupling means (12) are arranged to be fastened to the upper and the lower beam (10, 11) between the primary track rails (300a, 300b).
  6. The temporary switch according to claim 4 or 5, wherein the coupling means (12) comprise
    - an upper fastening pin (13) fitted through the upper beam (10),
    - a lower fastening pin (14) fitted through the lower beam (11),
    - threaded tightening pins (15) fitted through both ends of said fastening pins (13, 14), and
    - nuts (16) to be fitted onto the thread of the tightening pins (15) so as to tighten the beams (10, 11) against the primary track rails (300a, 300b).
  7. The temporary switch according to any of the preceding claims, comprising one or more adjustment supports (4), the adjustment support arranged under the rail (1b) on the outer curve side, and wherein the fixing point of the adjustment support (4) to said rail is moveable.
  8. The temporary switch according to any of the preceding claims, comprising a height adjustment plate (17) arranged removably under the frame beam (10, 11), the temporary switch (100) being adaptable for different-sized rails by adding or removing said plate (17).
  9. The temporary switch according to any of the preceding claims, comprising an additional segment (6) comprising a pair of rails (7a, 7b) for being removably connectable to an end (8a, 8b) of the pair of rails of the temporary track curving away from the primary track.
  10. The temporary switch according to claim 9, wherein the pair of rails of the temporary switch comprises guide means (18) and the pair of rails of the additional segment comprises their counterpart means (19), the guide means and the counterpart means (18, 19) being arranged for aligning said pairs of rails.
EP19172729.6A 2018-05-08 2019-05-06 Temporary switch Active EP3567160B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI20185424A FI129539B (en) 2018-05-08 2018-05-08 Temporary switch

Publications (2)

Publication Number Publication Date
EP3567160A1 EP3567160A1 (en) 2019-11-13
EP3567160B1 true EP3567160B1 (en) 2020-11-11

Family

ID=66655118

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19172729.6A Active EP3567160B1 (en) 2018-05-08 2019-05-06 Temporary switch

Country Status (2)

Country Link
EP (1) EP3567160B1 (en)
FI (1) FI129539B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114212128B (en) * 2021-11-24 2023-08-22 深圳市中金岭南有色金属股份有限公司凡口铅锌矿 Method and device for switching trolley tracks

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1668007A (en) * 1928-05-01 eichelgrun
US381874A (en) * 1888-04-24 du pont
US741896A (en) * 1902-12-29 1903-10-20 Abe Lincoln Eddy Railway-switch.
US931493A (en) * 1909-03-16 1909-08-17 Clarence B Ryan Removable crossover.

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
FI129539B (en) 2022-04-14
FI20185424A1 (en) 2019-11-09
EP3567160A1 (en) 2019-11-13

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