EP3455152B1 - Rail crane for transporting rails - Google Patents

Rail crane for transporting rails Download PDF

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Publication number
EP3455152B1
EP3455152B1 EP17721327.9A EP17721327A EP3455152B1 EP 3455152 B1 EP3455152 B1 EP 3455152B1 EP 17721327 A EP17721327 A EP 17721327A EP 3455152 B1 EP3455152 B1 EP 3455152B1
Authority
EP
European Patent Office
Prior art keywords
crane
trolley
rail
telescoping part
rail crane
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.)
Not-in-force
Application number
EP17721327.9A
Other languages
German (de)
French (fr)
Other versions
EP3455152A1 (en
Inventor
Christoph MÜLBACHER
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.)
Robel Bahnbaumaschinen GmbH
Original Assignee
Robel Bahnbaumaschinen 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
Application filed by Robel Bahnbaumaschinen GmbH filed Critical Robel Bahnbaumaschinen GmbH
Publication of EP3455152A1 publication Critical patent/EP3455152A1/en
Application granted granted Critical
Publication of EP3455152B1 publication Critical patent/EP3455152B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/04—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes with jibs the effective length of which is variable in operation, e.g. longitudinally displaceable, extensible
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
    • B66C1/62—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means comprising article-engaging members of a shape complementary to that of the articles to be handled
    • B66C1/64—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means comprising article-engaging members of a shape complementary to that of the articles to be handled for T- or I-section beams or girders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/02—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes with non-adjustable and non-inclinable jibs mounted solely for slewing movements
    • B66C23/022—Pivot axis common with column
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C7/00—Runways, tracks or trackways for trolleys or cranes
    • B66C7/10—Arrangements or devices for extending runways or tracks
    • 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 invention relates to a rail crane for transporting rails according to the preamble of claim 1.
  • a rail crane for transporting rails which has a rotatable crane boom attached to a crane column. This is designed to be telescopic in the longitudinal direction of the boom.
  • a trolley with a height-adjustable load chain for lifting or unloading rails is positioned at an end of the trolley distant from the crane column.
  • the object of the present invention is to create a rail crane of the type mentioned at the beginning, with which a more secure and automated adjustment of the length of the telescopic boom is possible for the operator of the crane.
  • a transport wagon 1 which can be moved on a track 3 by means of rail running gear 2 has a wagon frame 4 with a loading area 5. This serves for the storage of rails 6 to be transported, which are stored one above the other in several layers.
  • two rail cranes 7 are arranged - spaced apart from one another in the longitudinal direction of the wagon Fig. 2 can be seen in greater detail.
  • each rail crane 7 essentially consists of a vertical crane column 8 set up on the loading surface 5 and a telescopic boom 9 fastened thereon and rotatable in the horizontal plane.
  • a trolley 10 is slidably mounted on the telescopic boom 9 in a longitudinal direction 16 and assigns to it this Purpose rollers 11, which are designed to roll on boom rails 12.
  • a drive gearwheel 14, which can be acted upon by a drive 13, is provided, which engages with a toothed rack 15 mounted on the telescopic boom 9 and is used for displacing the trolley 10 along the telescopic boom 9.
  • a driving element 19 is designed as a stop 20.
  • the telescopic boom 9 and the displaceable telescopic part 17 are connected to one another by an energy store 21. This is arranged between the telescopic part 17 and an end 24 of the telescopic boom 9 closer to the crane column 8.
  • a load chain 22 for lifting a rail 6 is positioned on the trolley 10 and equipped with a height-adjustable rail gripper 23.
  • the drive gear 14 is arranged on the trolley 10 at an end closer to said end 24.
  • a rest position of the telescopic boom 9 is shown.
  • the displaceable telescopic part 17 is held in this position by the energy store 21 and prevents the telescopic part 17 from extending independently, for example in a rail superelevation.
  • a locking device 25 is provided for the rest position, which is designed here as an example as a safety bolt that simply overlaps in two Bores of the telescopic boom 9 and telescopic part 17 is pushed. The safety bolt is removed at the start of work.
  • the trolley 10 is located between the telescopic part 17 and the end 24.
  • the drive gear 14 engaging in the rack 15 is acted upon by the drive 13 and moves the trolley 10 in the direction of the telescopic part 17.
  • the trolley 10 touches the stop 20 of the telescopic part 17, the trolley 10 moves the telescopic part 17 towards an effective pulling force of the energy accumulator 21 into the working position.
  • the energy accumulator 21 is advantageously designed as a coil spring 26. If the working position is reached, the telescopic part 17 is fixed by the locking device 25 and the trolley 10 can be moved over the entire length of the rack 15 without resistance of the coil spring 26.
  • the trolley 10 After completion of the work assignment, the trolley 10 is moved in the direction of the distal end 19. As soon as it contacts the stop 20, the securing bolt of the locking device 25 is removed, the trolley 10 moves back in the direction of the closer end 24, while in parallel the coil spring 26 pulls the displaceable telescopic part 17 back into the rest position. (see Fig. 3 )

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Jib Cranes (AREA)
  • Machines For Laying And Maintaining Railways (AREA)

Description

Die Erfindung betrifft einen Schienenkran zum Transport von Schienen gemäß dem Oberbegriff von Anspruch 1.The invention relates to a rail crane for transporting rails according to the preamble of claim 1.

Aus DE 202007009139 U1 ist ein Schienenkran zum Transport von Schienen bekannt, der einen rotierbaren, an einer Kransäule befestigten Kranausleger aufweist. Dieser ist anhand eines in Längsrichtung des Auslegers verschiebbaren Hilfsauslegers teleskopierbar ausgebildet. Eine Laufkatze mit einer höhenverstellbaren Lastkette zum Heben bzw. Abladen von Schienen ist an einem von der Kransäule distanzierten Ende der Laufkatze positioniert.Out DE 202007009139 U1 a rail crane for transporting rails is known, which has a rotatable crane boom attached to a crane column. This is designed to be telescopic in the longitudinal direction of the boom. A trolley with a height-adjustable load chain for lifting or unloading rails is positioned at an end of the trolley distant from the crane column.

Die Aufgabe der vorliegenden Erfindung liegt nun in der Schaffung eines Schienenkranes der eingangs genannten Art, mit dem eine für den Bediener des Kranes sicherere und automatisierte Anpassung der Länge des Teleskopauslegers möglich ist.The object of the present invention is to create a rail crane of the type mentioned at the beginning, with which a more secure and automated adjustment of the length of the telescopic boom is possible for the operator of the crane.

Diese Aufgabe wird erfindungsgemäß mit einem Schienenkran der gattungsgemäßen Art gemäß den im Kennzeichen von Anspruch 1 dargelegten Merkmalen gelöst.This object is achieved with a rail crane of the generic type according to the features set out in the characterizing part of claim 1.

Vorteil dieser Lösung ist die Steigerung der Sicherheit und des Komforts beim Arbeiten. Es erübrigen sich somit sicherheitsgefährdende Verriegelungen, Ausschubbewegungen oder sonstiges auf dem Wagon während des Arbeitseinsatzes.The advantage of this solution is the increase in safety and comfort when working. This eliminates the need for safety-related locking, extending movements or anything else on the wagon during work.

Weitere Vorteile der Erfindung ergeben sich aus den Unteransprüchen und der Zeichnungsbeschreibung.Further advantages of the invention result from the subclaims and the description of the drawing.

Im Folgenden wird die Erfindung anhand von in der Zeichnung dargestellten Ausführungsbeispielen näher beschrieben. Es zeigen:

  • Fig. 1 eine schematische Seitenansicht eines mit einem erfindungsgemäßen Schienenkran ausgestatteten Transportwaggons für Schienen,
  • Fig. 2 eine Ansicht gemäß Pfeil II in Fig. 1,
  • Fig. 3 eine Detailansicht eines Teleskopauslegers des Schienenkrans in Ruheposition, und
  • Fig. 4 eine Detailansicht des Teleskopauslegers in Arbeitsposition.
The invention is described in more detail below with reference to exemplary embodiments shown in the drawing. Show it:
  • Fig. 1 1 shows a schematic side view of a transport wagon for rails equipped with a rail crane according to the invention,
  • Fig. 2 a view according to arrow II in Fig. 1 ,
  • Fig. 3 a detailed view of a telescopic boom of the rail crane in the rest position, and
  • Fig. 4 a detailed view of the telescopic boom in the working position.

Ein anhand von Schienenfahrwerken 2 auf einem Gleis 3 verfahrbarer Transportwaggon 1 weist einen Wagenrahmen 4 mit einer Ladefläche 5 auf. Diese dient zur Lagerung von zu transportierenden Schienen 6, die in mehreren Lagen übereinander abgelegt sind. An einer Längsseite des Wagenrahmens 4 sind zwei - in Wagenlängsrichtung voneinander distanzierte - Schienenkräne 7 angeordnet, die in Fig. 2 in größerem Detail ersichtlich sind.A transport wagon 1 which can be moved on a track 3 by means of rail running gear 2 has a wagon frame 4 with a loading area 5. This serves for the storage of rails 6 to be transported, which are stored one above the other in several layers. On one long side of the wagon frame 4, two rail cranes 7 are arranged - spaced apart from one another in the longitudinal direction of the wagon Fig. 2 can be seen in greater detail.

Wie in Fig. 2 bis 4 ersichtlich, besteht jeder Schienenkran 7 im Wesentlichen aus einer vertikalen, auf der Ladefläche 5 aufgestellten Kransäule 8 und einem auf dieser befestigten und in horizontaler Ebene rotierbaren Teleskopausleger 9. Eine Laufkatze 10 ist in einer Längsrichtung 16 des Teleskopauslegers 9 verschiebbar auf diesem gelagert und weist zu diesem Zweck Laufrollen 11 auf, die auf Auslegerschienen 12 abrollbar ausgebildet sind. Weiters ist ein anhand eines Antriebs 13 beaufschlagbares Antriebszahnrad 14 vorgesehen, das mit einer am Teleskopausleger 9 montierten Zahnstange 15 in Eingriff steht und zur Verschiebung der Laufkatze 10 entlang des Teleskopauslegers 9 dient. Im Inneren des Teleskopauslegers 9 befindet sich ein in der Längsauslegerrichtung 16 verschiebbar gelagerter Teleskopteil 17, an dessen von der Kransäule 8 distanzierten Ende 18 ein Mitnahmeorgan 19 als Anschlag 20 ausgeführt ist. Der Teleskopausleger 9 und der verschiebbare Teleskopteil 17 sind durch einen Kraftspeicher 21 miteinander verbunden. Dieser ist zwischen Teleskopteil 17 und einem der Kransäule 8 näher gelegenen Ende 24 des Teleskopauslegers 9 angeordnet.As in 2 to 4 As can be seen, each rail crane 7 essentially consists of a vertical crane column 8 set up on the loading surface 5 and a telescopic boom 9 fastened thereon and rotatable in the horizontal plane. A trolley 10 is slidably mounted on the telescopic boom 9 in a longitudinal direction 16 and assigns to it this Purpose rollers 11, which are designed to roll on boom rails 12. Furthermore, a drive gearwheel 14, which can be acted upon by a drive 13, is provided, which engages with a toothed rack 15 mounted on the telescopic boom 9 and is used for displacing the trolley 10 along the telescopic boom 9. In the interior of the telescopic boom 9 there is a telescopic part 17 which is displaceably mounted in the longitudinal boom direction 16 and on whose end 18, which is distanced from the crane column 8, a driving element 19 is designed as a stop 20. The telescopic boom 9 and the displaceable telescopic part 17 are connected to one another by an energy store 21. This is arranged between the telescopic part 17 and an end 24 of the telescopic boom 9 closer to the crane column 8.

Eine Lastkette 22 zum Heben einer Schiene 6 ist an der Laufkatze 10 positioniert und mit einem höhenverstellbaren Schienengreifer 23 ausgestattet. Das Antriebszahnrad 14 ist an einem zum genannten Ende 24 näher gelegenen Ende an der Laufkatze 10 angeordnet.A load chain 22 for lifting a rail 6 is positioned on the trolley 10 and equipped with a height-adjustable rail gripper 23. The drive gear 14 is arranged on the trolley 10 at an end closer to said end 24.

In Fig. 3 ist eine Ruheposition des Teleskopauslegers 9 dargestellt. Der verschiebbare Teleskopteil 17 wird von dem Kraftspeicher 21 in dieser Stellung gehalten und verhindert ein selbständiges Ausfahren des Teleskopteils 17, beispielsweise in einer Schienenüberhöhung. Zusätzlich ist für die Ruheposition eine Arretiervorrichtung 25 vorgesehen die hier beispielhaft als Sicherungsbolzen ausgeführt ist, der einfach in zwei überlappende Bohrungen des Teleskopauslegers 9 und Teleskopteil 17 geschoben wird. Der Sicherungsbolzen wird zu Beginn des Arbeitseinsatzes entfernt. Die Laufkatze 10 befindet sich zwischen dem Teleskopteil 17 und dem Ende 24.In Fig. 3 a rest position of the telescopic boom 9 is shown. The displaceable telescopic part 17 is held in this position by the energy store 21 and prevents the telescopic part 17 from extending independently, for example in a rail superelevation. In addition, a locking device 25 is provided for the rest position, which is designed here as an example as a safety bolt that simply overlaps in two Bores of the telescopic boom 9 and telescopic part 17 is pushed. The safety bolt is removed at the start of work. The trolley 10 is located between the telescopic part 17 and the end 24.

Um den Teleskopteil 17 in eine in Fig. 4 ersichtliche Arbeitsposition zu verschieben, wird das in der Zahnstange 15 eingreifende Antriebszahnrad 14 über den Antrieb 13 beaufschlagt und verschiebt die Laufkatze 10 in Richtung des Teleskopteils 17. Sobald die Laufkatze 10 den Anschlag 20 des Teleskopteils 17 berührt, verschiebt die Laufkatze 10 den Teleskopteil 17 entgegen einer wirksamen Zugraft des Kraftspeichers 21 in die Arbeitsposition. Der Kraftspeicher 21 ist vorteilhafterweise als Schraubenfeder 26 ausgeführt. Ist die Arbeitsposition erreicht wird der Teleskopteil 17 durch die Arretiervorrichtung 25 fixiert und die Laufkatze 10 ist über die gesamte Länge der Zahnstange 15 ohne Widerstand der Schraubenfeder 26 verschiebbar.To the telescopic part 17 in a Fig. 4 Moving apparent working position, the drive gear 14 engaging in the rack 15 is acted upon by the drive 13 and moves the trolley 10 in the direction of the telescopic part 17. As soon as the trolley 10 touches the stop 20 of the telescopic part 17, the trolley 10 moves the telescopic part 17 towards an effective pulling force of the energy accumulator 21 into the working position. The energy accumulator 21 is advantageously designed as a coil spring 26. If the working position is reached, the telescopic part 17 is fixed by the locking device 25 and the trolley 10 can be moved over the entire length of the rack 15 without resistance of the coil spring 26.

Nach Beenden des Arbeitseinsatzes wird die Laufkatze 10 in Richtung des distanzierten Endes 19 verschoben. Sobald diese den Anschlag 20 kontaktiert, wird der Sicherungsbolzen der Arretiervorrichtung 25 entfernt, die Laufkatze 10 fährt in Richtung des näher gelegenen Endes 24 zurück, während parallel dazu die Schraubenfeder 26 den verschiebbaren Teleskopteil 17 wieder in die Ruheposition zieht. (s. Fig. 3)After completion of the work assignment, the trolley 10 is moved in the direction of the distal end 19. As soon as it contacts the stop 20, the securing bolt of the locking device 25 is removed, the trolley 10 moves back in the direction of the closer end 24, while in parallel the coil spring 26 pulls the displaceable telescopic part 17 back into the rest position. (see Fig. 3 )

Claims (4)

  1. A rail crane (7) for transporting rails (6), having a crane column (8) and, fastened thereon, a telescopic jib (9) which is connected to a telescoping part (17) displaceable in a longitudinal direction (16) of the jib and to a trolley (10) in engagement via a driving gearwheel (14) with a gear rack (15), characterized in that the telescoping part (17) comprises an engaging member (19), provided for connection to the trolley (10), for a first movement of the telescoping part (17) from a resting- into a working position, and that the telescoping part (17) is connected to an energy store (21) effective against the said first movement.
  2. A rail crane (7) according to claim 1, characterized in that the engaging member (19) is configured as a stop (20) at an end (18) of the displaceable telescoping part (17) spaced from the crane column (8).
  3. A rail crane (7) according to claim 1 or 2, characterized in that a fixing device (25) is provided for fixing the telescoping part (17) in the working position.
  4. A rail crane (7) according to one of claims 1 to 3, characterized in that the energy store (21) is designed as a coil spring (26).
EP17721327.9A 2016-05-11 2017-05-02 Rail crane for transporting rails Not-in-force EP3455152B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202016003051.6U DE202016003051U1 (en) 2016-05-11 2016-05-11 Rail crane for transporting rails
PCT/EP2017/000544 WO2017194184A1 (en) 2016-05-11 2017-05-02 Rail crane for transporting rails

Publications (2)

Publication Number Publication Date
EP3455152A1 EP3455152A1 (en) 2019-03-20
EP3455152B1 true EP3455152B1 (en) 2020-07-08

Family

ID=56551726

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17721327.9A Not-in-force EP3455152B1 (en) 2016-05-11 2017-05-02 Rail crane for transporting rails

Country Status (4)

Country Link
EP (1) EP3455152B1 (en)
CN (1) CN109153545A (en)
DE (1) DE202016003051U1 (en)
WO (1) WO2017194184A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102020105191B3 (en) * 2020-02-27 2021-03-18 Jürgen Weingärtner Crane device
CN114837024A (en) * 2022-05-23 2022-08-02 中国二十二冶集团有限公司 Track transfer auxiliary device and method
CN115448195B (en) * 2022-07-27 2024-10-15 伊萨智能电梯有限公司 Fixed point control lifting hook
JP7416370B1 (en) 2023-11-09 2024-01-17 昭栄工業株式会社 Rail loading and unloading equipment
JP7416369B1 (en) 2023-11-09 2024-01-17 昭栄工業株式会社 Rail loading and unloading equipment

Family Cites Families (6)

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Publication number Priority date Publication date Assignee Title
EP0675069B1 (en) * 1994-02-28 1999-09-15 Franz Plasser Bahnbaumaschinen-Industriegesellschaft m.b.H. Trackborne machine with a swing crane
DE202007009139U1 (en) 2007-06-29 2007-09-06 Robel Bahnbaumaschinen Gmbh Rail crane for transporting rails has load chain on leading end of crane trolley at distance from longitudinal direction of crane pillar whilst drive gear wheel is arranged at rear end closer to crane pillar
CN203428792U (en) * 2013-09-09 2014-02-12 长兴泗安科林植保专业合作社 Retractable type high rise hoisting machine
CN204661180U (en) * 2015-05-21 2015-09-23 徐潇 A kind of tower crane
CN205028525U (en) * 2015-09-17 2016-02-10 王建华 Wall map device that can reset fast
CN105398974A (en) * 2015-12-30 2016-03-16 安徽省超盛起重机械有限公司 Crane

Non-Patent Citations (1)

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Title
None *

Also Published As

Publication number Publication date
DE202016003051U1 (en) 2016-07-12
WO2017194184A1 (en) 2017-11-16
EP3455152A1 (en) 2019-03-20
CN109153545A (en) 2019-01-04

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