EP0916002A1 - Device and method for laying rails - Google Patents

Device and method for laying rails

Info

Publication number
EP0916002A1
EP0916002A1 EP97933979A EP97933979A EP0916002A1 EP 0916002 A1 EP0916002 A1 EP 0916002A1 EP 97933979 A EP97933979 A EP 97933979A EP 97933979 A EP97933979 A EP 97933979A EP 0916002 A1 EP0916002 A1 EP 0916002A1
Authority
EP
European Patent Office
Prior art keywords
rail
roller
cradle
base
railway track
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.)
Granted
Application number
EP97933979A
Other languages
German (de)
French (fr)
Other versions
EP0916002B1 (en
Inventor
Ulf Jansson
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0916002A1 publication Critical patent/EP0916002A1/en
Application granted granted Critical
Publication of EP0916002B1 publication Critical patent/EP0916002B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B29/00—Laying, rebuilding, or taking-up tracks; Tools or machines therefor
    • E01B29/16—Transporting, laying, removing, or replacing rails; Moving rails placed on sleepers in the track

Definitions

  • the present invention relates to a device for laying railway track, consisting of a mobile, self-correcting conveyer incorporating a roller mounted in a cradle, which is free to pivot in a base.
  • Rails are now available in considerable lengths (360 metres at present).
  • the rails are pulled out to the desired position on the roadbed prior to final mounting on the sleepers. This operation can be facilitated by the use of conveyers which permit the rail to move forward easily over the roadbed into the said position.
  • the position of the rail relative to the run of the track must be controlled and, as required, corrected in the lateral direction. No equipment capable of meeting this requirement is available. The invention meets this need.
  • the purpose of the invention is to make the laying of railway track simpler and more efficient.
  • a number of devices in accordance with the invention is placed along the roadbed at equal intervals in the longitudinal direction of the rails.
  • its position relative to the sleepers is automatically controlled and, if necessary, corrected, which is of major importance to the achievement of fast and efficient tracklaying.
  • the rail Once the rail has been pulled out and is in the correct position relative to the sleepers, it can be transferred easily from the invention to the sleepers.
  • the most important characteristic of the invention is that the roller over which the rail is drawn is free to turn relative to both the rail and the roadbed.
  • Fig. 1 shows the invention in elevation and plan. Description of embodiment
  • the invention consists of a roller (1) mounted in a cradle (2) provided with a journal (5), which is movably mounted in a base (7) provided with a carrying handle (6) and with twin stops (4), which limit the turning movement of the cradle and, therefore, that of the roller relative to the rail and the base, and in which the cradle arms (8) are either fixed, partly to prevent the rail from slipping off the roller and partly to permit the rail to pull the cradle with it in the direction of travel of the rail, thereby changing the direction of the centre line of the roller in relation to the longitudinal direction of the rail, an effect which is achieved if the cradle arms are semicircular in section, with the rounded part facing the roller, or can be lowered (3 and 3A) to facilitate removal of the rail from the roller.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Machines For Laying And Maintaining Railways (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)

Abstract

Device for laying railway track. When deploying a long rail in the course of tracklaying, it is desirable that the position of the rail relative to the sleeper be controlled and corrected as required. This is achieved if the roller (1) is free to move relative to the base (7), that is, in practice, relative to either the rail and/or the roadbed. This is achieved by mounting the roller (1) in a cradle (2) which is free to pivot in a base (7), the degree of movement of the roller/cradle relative to the base being limited by twin stops (4). The invention is provided with a carrying handle (6) to facilitate its practical use.

Description

DEVICE AND METHOD FOR LAYING RAILS
The present invention relates to a device for laying railway track, consisting of a mobile, self-correcting conveyer incorporating a roller mounted in a cradle, which is free to pivot in a base.
Background to invention
Rails are now available in considerable lengths (360 metres at present). When laying railway track, the rails are pulled out to the desired position on the roadbed prior to final mounting on the sleepers. This operation can be facilitated by the use of conveyers which permit the rail to move forward easily over the roadbed into the said position. The position of the rail relative to the run of the track must be controlled and, as required, corrected in the lateral direction. No equipment capable of meeting this requirement is available. The invention meets this need.
Purpose and most important characteristics of invention
The purpose of the invention is to make the laying of railway track simpler and more efficient. A number of devices in accordance with the invention is placed along the roadbed at equal intervals in the longitudinal direction of the rails. When the rail is then pulled out over these devices, its position relative to the sleepers is automatically controlled and, if necessary, corrected, which is of major importance to the achievement of fast and efficient tracklaying. Once the rail has been pulled out and is in the correct position relative to the sleepers, it can be transferred easily from the invention to the sleepers. The most important characteristic of the invention is that the roller over which the rail is drawn is free to turn relative to both the rail and the roadbed.
Description of drawings
Fig. 1 shows the invention in elevation and plan. Description of embodiment
The invention consists of a roller (1) mounted in a cradle (2) provided with a journal (5), which is movably mounted in a base (7) provided with a carrying handle (6) and with twin stops (4), which limit the turning movement of the cradle and, therefore, that of the roller relative to the rail and the base, and in which the cradle arms (8) are either fixed, partly to prevent the rail from slipping off the roller and partly to permit the rail to pull the cradle with it in the direction of travel of the rail, thereby changing the direction of the centre line of the roller in relation to the longitudinal direction of the rail, an effect which is achieved if the cradle arms are semicircular in section, with the rounded part facing the roller, or can be lowered (3 and 3A) to facilitate removal of the rail from the roller.

Claims

Patent claims
1. Mobile, self-correcting device, an unspecified number of which is placed in advance at equal intervals along the stretch of roadbed over which new or used rails are to be pulled, each such device being provided with a roller which, in addition to its capacity to facilitate movement of the rail by turning freely, is free to pivot horizontally relative to both the longitudinal direction of the rail which is pulled over it and to the ground on which the device is placed, thereby enabling compensation to be applied for curvatures of different types in both the rail and ground, due to the fact that if the rail tends to move sideways when pulled forward and, as a result, moves outward towards either of the cradle arms, it will, for a short time, bear against and pull with it the said cradle arm in the direction of travel of the rail, whereupon the alignment of the centre line of the roller relative to the longitudinal direction of the rail will be changed, causing the rail to return towards the centre of the roller and, as a result, towards the centre of the device and remain there until another correction is required, an occurrence which cannot be predicted but which, due to the free movement of the roller relative to both the rail and the underlying surface, occurs automatically at all times as the rail is pulled over the device, which device is characterised in that the invention consists of a roller (1) mounted in a cradle (2) provided with a journal (5), which is movably mounted in a base (7) provided with a carrying handle (6) and with twin stops (4), which limit the turning movement of the cradle and, therefore, that of the roller relative to the rail and the base, and in which the cradle arms (8) are either fixed, partly to prevent the rail from slipping off the roller and partly to permit the rail to pull the cradle with it in the direction of travel of the rail, thereby changing the direction of the centre line of the roller in relation to the longitudinal direction of the rail, an effect which is achieved if the cradle arms are semicircular in section, with the rounded part facing the roller, or are collapsible (3 and 3A) to facilitate removal of the rail from the roller.
2. Device for laying railway track in accordance with patent claim 1, characterised in that the positions of the stops (4) on the base (7) form an angle (9) of between zero (0) and one hundred and eighty (180) degrees as measured from the apex, which is located in or around the hole provided in the base for the journal (5).
3. Device for laying railway track in accordance with patent claim 1 , characterised in that the base (7) is provided with a carrying handle (6) of wood, plastic, steel, wire, leather or hemp.
4. Device for laying railway track in accordance with patent claim 1, characterised in that the arms (8 and 3) of the cradle (2) are provided with movable rollers or are designed with a semicircular cross-section, the rounded part of which faces the roller (1).
5. Device for laying railway track in accordance with patent claim 4, characterised in that the cradle arm (3) may be lowered, as required, from a vertical to a horizontal position (3A).
6. Device for laying railway track in accordance with patent claim 1 , characterised in that the base (7) is made of alloy steel, unalloyed steel, aluminium, timber, reinforced concrete or plastic.
7. Device for laying or lifting railway track in accordance with patent claim 1, characterised in that an unspecified number of devices is placed, in advance or in conjunction with tracklaying, at equal intervals along the stretch of roadbed over which new or used rail is to be pulled.
EP97933979A 1996-08-05 1997-07-23 Device for laying rails Expired - Lifetime EP0916002B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE9602921A SE507959C2 (en) 1996-08-05 1996-08-05 Device for the construction of railway tracks
SE9602921 1996-08-05
PCT/SE1997/001308 WO1998005821A1 (en) 1996-08-05 1997-07-23 Device and method for laying rails

Publications (2)

Publication Number Publication Date
EP0916002A1 true EP0916002A1 (en) 1999-05-19
EP0916002B1 EP0916002B1 (en) 2002-09-25

Family

ID=20403519

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97933979A Expired - Lifetime EP0916002B1 (en) 1996-08-05 1997-07-23 Device for laying rails

Country Status (8)

Country Link
EP (1) EP0916002B1 (en)
AT (1) ATE224980T1 (en)
AU (1) AU3714997A (en)
DE (1) DE69715872T2 (en)
DK (1) DK0916002T3 (en)
NO (1) NO312075B1 (en)
SE (1) SE507959C2 (en)
WO (1) WO1998005821A1 (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1159359A (en) * 1956-10-16 1958-06-26 Improvements to the laying of railway tracks
DE2057487A1 (en) * 1970-11-23 1972-06-15 Helmut Dyballa Method and device for removing and installing rails
AT337749B (en) * 1974-10-31 1977-07-11 Weber Walter Ing EQUIPMENT FOR LIFTING RAILS ON THRESHOLDS
DE4431074A1 (en) * 1994-09-01 1996-04-04 Robel Georg Gmbh & Co Rail loading car for loading and unloading long rails

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO9805821A1 *

Also Published As

Publication number Publication date
NO990500L (en) 1999-03-26
SE9602921L (en) 1998-02-06
DE69715872T2 (en) 2003-05-22
WO1998005821A1 (en) 1998-02-12
ATE224980T1 (en) 2002-10-15
NO312075B1 (en) 2002-03-11
AU3714997A (en) 1998-02-25
DE69715872D1 (en) 2002-10-31
EP0916002B1 (en) 2002-09-25
NO990500D0 (en) 1999-02-03
SE507959C2 (en) 1998-08-03
SE9602921D0 (en) 1996-08-05
DK0916002T3 (en) 2003-02-03

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