EP0834355A1 - Lit de refroidissement pour rails - Google Patents

Lit de refroidissement pour rails Download PDF

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Publication number
EP0834355A1
EP0834355A1 EP97116481A EP97116481A EP0834355A1 EP 0834355 A1 EP0834355 A1 EP 0834355A1 EP 97116481 A EP97116481 A EP 97116481A EP 97116481 A EP97116481 A EP 97116481A EP 0834355 A1 EP0834355 A1 EP 0834355A1
Authority
EP
European Patent Office
Prior art keywords
cooling bed
rail
rails
supports
bed according
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
EP97116481A
Other languages
German (de)
English (en)
Other versions
EP0834355B1 (fr
Inventor
Gérard Fick
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.)
FLSmidth Wadgassen GmbH
Original Assignee
Koch Transporttechnik GmbH
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=7806907&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0834355(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Koch Transporttechnik GmbH filed Critical Koch Transporttechnik GmbH
Publication of EP0834355A1 publication Critical patent/EP0834355A1/fr
Application granted granted Critical
Publication of EP0834355B1 publication Critical patent/EP0834355B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B43/00—Cooling beds, whether stationary or moving; Means specially associated with cooling beds, e.g. for braking work or for transferring it to or from the bed
    • B21B43/003—Transfer to bed
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B31/00—Working rails, sleepers, baseplates, or the like, in or on the line; Machines, tools, or auxiliary devices specially designed therefor
    • E01B31/02—Working rail or other metal track components on the spot
    • E01B31/18—Reconditioning or repairing worn or damaged parts on the spot, e.g. applying inlays, building-up rails by welding; Heating or cooling of parts on the spot, e.g. for reducing joint gaps, for hardening rails
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B31/00—Working rails, sleepers, baseplates, or the like, in or on the line; Machines, tools, or auxiliary devices specially designed therefor
    • E01B31/02—Working rail or other metal track components on the spot
    • E01B31/08—Bending, e.g. for straightening rails or rail joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B15/00—Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B2015/0071—Levelling the rolled product
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B39/00—Arrangements for moving, supporting, or positioning work, or controlling its movement, combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B39/004—Transverse moving
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B43/00—Cooling beds, whether stationary or moving; Means specially associated with cooling beds, e.g. for braking work or for transferring it to or from the bed
    • B21B43/02—Cooling beds comprising rakes racks, walking beams or bars
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B2203/00—Devices for working the railway-superstructure
    • E01B2203/14—Way of locomotion or support

Definitions

  • the invention relates to a cooling bed for rails with a device for transferring the rails From a feeding roller table to the cooling bed, which is used to bend the Rails are set up against the bending that occurs during cooling.
  • the known devices of this type grip with hooks behind the rail foot and grind the rail from the roller table onto the cooling bed.
  • the rail In the middle of its length, the rail is moved a greater distance than in the end areas.
  • the rail is bent in this way.
  • the bend generated by the device not infrequently falls short of the desired dimension, particularly at the ends.
  • the reason for this is that after the ends the length remaining beyond a pulling hook and thus the mass of the rail and thus the friction force holding back the rail decreases. After all, the frictional force is no longer sufficient; an end section slips instead of bending. With attacks you occasionally try to hold the ends back. However, this is unsatisfactory in various relationships. There is mainly a risk of kinking.
  • the invention has for its object a reliable device for transferring and at the same time to bend the rails.
  • this purpose is achieved in that the device from the Roller table that can be moved, raised and lowered in the cooling bed for the rails has and at least in a central region of the rail length against the Underside of the rail foot directed counterhold and at least in end areas of the rail length against the top of the rail foot the cushions are arranged and the displacement paths of the cushions according to the desired bending are controlled.
  • the pads are in a position in which they are between rollers of the roller table are raised above the transport level of the roller table and take the rail on. You put the rail on the cooling bed and put it there by putting it back be lowered below the level of the cooling bed.
  • the rail is bent only by the attack of the counterhold on the rail foot, and exactly.
  • the rail head does not touch any stops and receives no grinding marks.
  • the rest of the treatment is still red-hot and Correspondingly soft, gentle on the rails: There are also none on the rail foot Grinding marks, and the attack of the counterhold, preferably with spherical contact surfaces, does not lead to disturbing impressions.
  • the swiveling of the counter holder in the sinking forward and down, i.e. in the effective position upwards and towards the rail foot also means minimal risk of damage to the rail foot.
  • the counter support in the direction of displacement could be rather rigid in that its height position is irrelevant for the backward movement of the support and it also leaves space for a rolled profile other than a rail.
  • the rear counter-holder in the direction of displacement can also be pivoted, in the opposite direction to the front one. That is, it can be retracted by swiveling upwards and backwards and pushed forward by swiveling it forwards and downwards.
  • the two counterholders can grip the rail foot like thumb and finger, but with play.
  • the counterholders including a common drive, are arranged via a lever linkage in a unit that is adjustable in the horizontal direction relative to the rest of the support, which otherwise preferably forms a shoulder, behind which the rear counterholder can be retracted in the direction of displacement.
  • the position of the two counterholders can be adapted to different rail cross sections in such a way that the rail head is essentially flush with the support and thus one rail can always be placed close to the other.
  • the contact surface can be adapted to different cross-sectional sizes of other rolled sections. The said paragraph forms a stop for them, which takes them with them when accelerating at the beginning of the shift.
  • the pads are conveniently raised and lowered in such a way that they as Carriages or sledges arranged on a table below the roller table and the cooling bed, Liftable and lowerable guide arranged and preferably by means of a chain drive are movable.
  • the supports can be controlled separately into the position in which they are raised by means of a range finder directed at the rail. This means that the supports can be placed exactly under the rails that are already slightly warped on the roller table, especially the counterholders.
  • the shift time is the same for all editions, with the different shift paths correspond to different speeds.
  • the bending processes are running then not with different degrees of cooling of the rail.
  • the cooling bed designated 1 is loaded with rails 3 through a roller table 2, their run over the cooling bed and their assumed form in Fig. 1 schematically are shown. In reality, the rails are close together. she are removed by a roller table 4.
  • the cooling bed 1 is of the type of a walking beam conveyor with a fixed grate 5 and a walking beam grate 6, which appear in FIG. 2.
  • the roller table 2 has a substructure 7, on which the beam ends of the walking beam grating 6 are also supported by brackets 8. The roles of the roller table 2 are designated 9, their bearings with 10.
  • the roller table 2 is delimited by a guide bar 11 on the side opposite the cooling bed 1.
  • a number of, for example, thirty carriages 13 can each be displaced or moved on a guide 14 in the form of a U-profile by means of a chain drive.
  • the chain drive comprises a chain 17 placed over a drive roller 15 and a deflection roller 16, and a geared motor 18.
  • the guide 14 is supported on a bracket 19 of the substructure 7 and on a column 20 such that it can be raised and lowered via angle levers 21 mounted in the bracket 19 and the column 20 and two intermediate supports 22 and 23, of which the intermediate support 22 is rigid and the intermediate support 23 is articulated to the guide 14.
  • the angle levers 21 can be pivoted in the same direction by means of a hydraulic rod drive 24.
  • Fig. 2 shows the one end position of the angle lever 21, in which the guide 14 assumes its lower position.
  • the carriage 13 is drawn in its starting position.
  • the carriage moves between two rollers 9 into a position in which it lies under the rail 3 with a support 25.
  • the support 25 now rises above the conveying plane of the roller table 2 and thus takes up the rail.
  • the upper end position is shown in dash-dot lines at 26.
  • the carriage continues between two bars of the grids 5 and 6.
  • the support 25 is then lowered below the supporting plane of the fixed grate 5 by lowering the guide 14 and the rail 3 is thus placed on the grate 5 .
  • the carriage 13 with the support 25 then moves back. From position 26 to position 27, however, measures specified below are taken.
  • FIG. 3 For this is a unit 28 in the carriage 13 by means of a crank mechanism 29 or the like. arranged in an adjustable horizontal direction, the details of which are shown in FIG. 3 are.
  • the assembly 28 is between the two parts of the, two-part, support 25 arranged.
  • the section of FIG. 2 lies in front of the support 25 as a whole and shows the carriage 13 in side view.
  • 3 is between the two Parts of the support 25 placed by the assembly 28; the front is different broken away from two identical side walls 30 of the assembly.
  • an angle lever 34 Between the two side walls 30 are axially rigidly connected to these 31, 32 and 33 an angle lever 34, an angle lever 35 and a hydraulic or pneumatic drive 36 pivotally mounted for both.
  • the drive 36 engages the an arm of the bell crank 34.
  • the angle lever 35 With the other, forming a counter-holder 37 Arm, the angle lever 35 is connected by an articulated intermediate member 38.
  • the Intermediate member 38 in turn engages one arm of the angle lever 35, while the other arm forms a counter-holder 39.
  • Brackets 37 and 39 are the arms for the rail foot 40, which they hold between them, while the rail head 41 is approximately flush with the support 25.
  • this is the active position of the counterholders 37 and 39: the counterholder 39 lies with its crowned end approximately in front of the center of the underside of the rail foot.
  • the counter-holder 37 which is also crowned at the end, lies with its short length transversely in front of the top of one rail foot half.
  • the counter-holder 37 In the retracted position shown in dashed lines, the counter-holder 37 is lowered below the surface of the support 25, and the counter-holder 39 is retracted behind a shoulder 42 which is formed by a section of the side walls 30 on the support 25 which projects beyond the support 25.
  • Brackets 37 and 39 suitable for different profile sizes.
  • the assembly 28 further after to the right until the rail head is again approximately flush with the support 25 completes.
  • Each carriage 13 is assigned a rangefinder 44 which detects the position of the rail 3 in the region of the carriage concerned and allows the carriage to travel under the rail in such a way that the support 25 picks up the rail exactly at the desired location.
  • the counterholders are then swiveled into their operative position and grip the rail foot.
  • the rail is bent in accordance with these differences. Regardless of whether the rail has to be pressed from one side or the other at the point in question: the required counterhold 37 or 39 is always available.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Heat Treatment Of Articles (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Linear Motors (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
  • Heat Treatments In General, Especially Conveying And Cooling (AREA)
  • Escalators And Moving Walkways (AREA)
  • Metal Rolling (AREA)
  • Accommodation For Nursing Or Treatment Tables (AREA)
EP97116481A 1996-09-26 1997-09-22 Lit de refroidissement pour rails Expired - Lifetime EP0834355B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19639482A DE19639482A1 (de) 1996-09-26 1996-09-26 Kühlbett für Schienen
DE19639482 1996-09-26

Publications (2)

Publication Number Publication Date
EP0834355A1 true EP0834355A1 (fr) 1998-04-08
EP0834355B1 EP0834355B1 (fr) 2001-12-12

Family

ID=7806907

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97116481A Expired - Lifetime EP0834355B1 (fr) 1996-09-26 1997-09-22 Lit de refroidissement pour rails

Country Status (9)

Country Link
US (1) US5913930A (fr)
EP (1) EP0834355B1 (fr)
JP (1) JPH10175013A (fr)
KR (1) KR19980024816A (fr)
AT (1) ATE210513T1 (fr)
CA (1) CA2216350A1 (fr)
DE (2) DE19639482A1 (fr)
ES (1) ES2168565T3 (fr)
TW (1) TW344684B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109513748A (zh) * 2018-11-28 2019-03-26 攀钢集团攀枝花钢铁研究院有限公司 用于百米钢轨冷却前的预弯方法

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103042051B (zh) * 2012-12-28 2015-05-27 江阴大地装备股份有限公司 冷床预弯装置的推拉小车
CN110252830B (zh) * 2019-07-04 2024-08-23 北京科技大学 一种机械方式移动中间轧件离线控制轧制方法

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3272312A (en) * 1963-02-14 1966-09-13 Davy & United Eng Co Ltd Cooling beds
US3364722A (en) * 1964-11-20 1968-01-23 Siegener Maschb G M B H Apparatus for rotating and shifting rolled workpieces, especially sections
DE1281984B (de) * 1964-09-18 1968-11-07 Siemag Siegener Masch Bau Schleppvorrichtung fuer Walzgut, vorzugsweise Profiltraeger, mit einem in Schienen gefuehrten Schlepperwagen
DE1928312A1 (de) * 1969-03-03 1970-12-10 Moeller & Neumann Gmbh Querfoerdervorrichtung fuer einzelne krumme Walzstaebe
GB1442989A (en) * 1972-10-10 1976-07-21 Davy Loewy Ltd Conveying apparatus
DE2827408A1 (de) * 1978-06-22 1980-01-17 Siemag Transplan Gmbh Inspektionsbett fuer walzprofile, insbesondere schienen
DE2901811A1 (de) * 1979-01-18 1980-07-24 Schloemann Siemag Ag Vorrichtung zum querschleppen von profilstaeben und schienen

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3520167A (en) * 1967-07-21 1970-07-14 Davy & United Eng Co Ltd Transfer apparatus
US3497084A (en) * 1968-02-28 1970-02-24 Morgan Construction Co Means for counting,bundling and weighing of elongated elements
JPS5465150A (en) * 1977-11-02 1979-05-25 Hitachi Ltd Matrial transferrer
JPS62235425A (ja) * 1986-04-07 1987-10-15 Kawasaki Steel Corp 形鋼の拘束冷却装置
GB8914012D0 (en) * 1989-06-19 1989-08-09 Davy Mckee Sheffield Taper rolling-direct length measurement
DE4032335C2 (de) * 1990-10-09 1994-05-26 Mannesmann Ag Vorrichtung zum Einführen von Walzstahlprofilen in eine Kaltschere oder Richtmaschine
JPH0576921A (ja) * 1991-09-20 1993-03-30 Nkk Corp 高温レールの冷却方法
FR2682623B1 (fr) * 1991-10-22 1994-02-18 Ascometal Installation de forgeage a chaud de pieces a partir de barres.
DE4237991A1 (de) * 1992-11-11 1994-05-19 Schloemann Siemag Ag Verfahren und Vorrichtung zur Abkühlung von warmgewalzten Profilen insbesondere von Schienen

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3272312A (en) * 1963-02-14 1966-09-13 Davy & United Eng Co Ltd Cooling beds
DE1281984B (de) * 1964-09-18 1968-11-07 Siemag Siegener Masch Bau Schleppvorrichtung fuer Walzgut, vorzugsweise Profiltraeger, mit einem in Schienen gefuehrten Schlepperwagen
US3364722A (en) * 1964-11-20 1968-01-23 Siegener Maschb G M B H Apparatus for rotating and shifting rolled workpieces, especially sections
DE1928312A1 (de) * 1969-03-03 1970-12-10 Moeller & Neumann Gmbh Querfoerdervorrichtung fuer einzelne krumme Walzstaebe
GB1442989A (en) * 1972-10-10 1976-07-21 Davy Loewy Ltd Conveying apparatus
DE2827408A1 (de) * 1978-06-22 1980-01-17 Siemag Transplan Gmbh Inspektionsbett fuer walzprofile, insbesondere schienen
DE2901811A1 (de) * 1979-01-18 1980-07-24 Schloemann Siemag Ag Vorrichtung zum querschleppen von profilstaeben und schienen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109513748A (zh) * 2018-11-28 2019-03-26 攀钢集团攀枝花钢铁研究院有限公司 用于百米钢轨冷却前的预弯方法

Also Published As

Publication number Publication date
EP0834355B1 (fr) 2001-12-12
US5913930A (en) 1999-06-22
ES2168565T3 (es) 2002-06-16
CA2216350A1 (fr) 1998-03-26
TW344684B (en) 1998-11-11
DE59705753D1 (de) 2002-01-24
DE19639482A1 (de) 1998-04-02
KR19980024816A (ko) 1998-07-06
JPH10175013A (ja) 1998-06-30
ATE210513T1 (de) 2001-12-15

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