EP1116683B1 - Kranbahntragwerk - Google Patents

Kranbahntragwerk Download PDF

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Publication number
EP1116683B1
EP1116683B1 EP00100445A EP00100445A EP1116683B1 EP 1116683 B1 EP1116683 B1 EP 1116683B1 EP 00100445 A EP00100445 A EP 00100445A EP 00100445 A EP00100445 A EP 00100445A EP 1116683 B1 EP1116683 B1 EP 1116683B1
Authority
EP
European Patent Office
Prior art keywords
crane
track
supporting structure
support
rail
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.)
Expired - Lifetime
Application number
EP00100445A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1116683A1 (de
Inventor
Helge-Eckehard Tempel
Dipl.-Ing Moutsokapas Janis
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.)
Demag Cranes and Components GmbH
Original Assignee
Gottwald Port Technology 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
Priority to EP00100445A priority Critical patent/EP1116683B1/de
Application filed by Gottwald Port Technology GmbH filed Critical Gottwald Port Technology GmbH
Priority to DE50011209T priority patent/DE50011209D1/de
Priority to AT00100445T priority patent/ATE304987T1/de
Priority to ES00100445T priority patent/ES2250027T3/es
Priority to DK00100445T priority patent/DK1116683T3/da
Priority to PCT/DE2001/000129 priority patent/WO2001051402A1/de
Priority to JP2001551789A priority patent/JP2003519611A/ja
Priority to KR1020027008916A priority patent/KR100798047B1/ko
Priority to US10/181,853 priority patent/US7066094B2/en
Publication of EP1116683A1 publication Critical patent/EP1116683A1/de
Application granted granted Critical
Publication of EP1116683B1 publication Critical patent/EP1116683B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B66C7/00—Runways, tracks or trackways for trolleys or cranes
    • B66C7/02—Runways, tracks or trackways for trolleys or cranes for underhung trolleys or cranes
    • B66C7/04—Trackway suspension

Definitions

  • the invention relates to a crane runway structure for at least one crane running on at least one track, in particular for a bridge crane traveling on two runways.
  • Such crane runway systems are mainly used in automated storage operation, eg. As container storage, tubbing warehouse (prefabricated reinforced concrete parts for tunnel construction), general cargo storage, paper roll warehouse, etc.
  • US 4,181,995 discloses a bridge structure of modular elements to provide road traffic or rail traffic over intersections, waters, etc. as elevated traffic routes.
  • the roadway elements are supported on supporting elements, which are connected via equalizing joints and are supported on supports.
  • the roadway elements can be made of either concrete or steel.
  • the invention is based on the technical problem of providing a crane track structure with high static and dynamic load capacity with low elastic compliance, with the possibility of large spans. It should be possible a precise, but easy and quick to carry out adjustment of the career.
  • a crane runway comprising a longitudinally elongated track carrier from at least one support section made of reinforced concrete, preferably made of prestressed concrete, a support system made of reinforced concrete columns whose upper end each support a head portion of the ends of the support sections and the lower ends each have a Foot are anchored in the ground, in each case an adjustable bearing in the region of the head part and / or the foot part in at least part of the supports for adjusting the raceway carrier according to the desired course of the career.
  • the concrete construction according to the invention of reinforced concrete columns and reinforced concrete beam sections offers the required rigidity and mechanical loadability of both a static type (weight forces) and a dynamic type (crane braking and acceleration processes, wind forces).
  • the crane rail is mounted on the track carrier such that the track is formed by a crane rail made of metal, preferably steel, which is mounted on the track carrier such that thermal expansion and contraction movements of the crane rail relative to the track carrier are permitted.
  • a crane rail made of metal preferably steel
  • the crane rail should be at one point, preferably in the region of its longitudinal center, on the runway carrier with respect to crane rail movements relative to the runway carrier in the raceway direction is fixed.
  • the crane rail also between End stops at both ends of the rail to be movable back and forth, wherein the movement play is dimensioned such that it under any circumstances disappears under any circumstances. Due to their multitude, the holding clips mentioned below ensure that the rail does not move or shifts only slightly during normal operation.
  • the crane rail is mounted on retaining clips on the raceway carrier, which define the crane rail in the lateral direction and secure against lifting.
  • This type of attachment allows for a substantially free thermally induced expansion and contraction movement of the crane rail relative to the track carrier with substantial suppression of rail movement with normal crane braking and acceleration.
  • the exact lateral orientation of the crane rail which is important for automatic operation, is guaranteed.
  • the retaining clips can be provided via a kind of slot bolt connection with the Laufbahitati with lateral movement play before tightening the connection to compensate for manufacturing inaccuracies can.
  • the foot is anchored in the subsoil via preferably four deep foundation piles, preferably ramming piles.
  • a diameter-enlarged foot section of the support rests on the foot part and is connected thereto via anchor elements, preferably with the formation of an adjustable bearing.
  • the foot part is formed as a quiver for the lower end of the support.
  • the adjustable bearing which is preferably adjustable in the lateral direction and height direction, is best located in the region of the upper support end.
  • the connection of the lower end of the support with the base part anchored in the base can then be particularly simple and particularly stable with respect to the transmission of moments be formed, in particular by the already mentioned quiver-like design of the foot. It is also easier to survey the effects of adjustment movements.
  • the foot part will generally be integrated with the support. At least for larger cranes, it is cheaper in terms of cost to produce the support as precast concrete part.
  • the foot can then be either an in-situ concrete part, but also a ready-mixed concrete part.
  • a crane runway structure comprising an elongate raceway support of at least one support portion, a support system of supports whose upper ends are connected by a head portion Supporting the longitudinal ends of the support sections, and whose lower ends are anchored in the ground via one foot in each case, an adjustable bearing in the region of the head parts and / or the foot parts at least a portion of the support sections for adjusting the support sections according to the desired course of the career, wherein at at least one of the supports in the region of the head part, a sliding bearing between the support and raceway support is provided, said support carries a reference point for a crane location detection system.
  • the precise guidance of the respective crane along the correspondingly precisely adjusted raceways is essential, but also the most accurate determination of the current crane locations.
  • the crane location is determined with the aid of a runway carrier-fixed or track-fixed measuring section, for example by scanning the crane rails via a measuring wheel, the precision of the position determination is impaired by the unavoidable thermal expansion and contraction movements of the raceway carrier or crane rail.
  • the reference point of such movements is independent, since it is provided on a support, which is also independent of the thermal bearing carrier deformations on the slide bearing.
  • This aspect of the invention is also applicable to pure steel structures, although structures with reinforced concrete columns are preferred due to their higher dimensional stability.
  • the reference point could be formed by an optical element of an optical crane location detection system, in particular a laser system. This can in some cases, such. B. in situ situated container systems in fog, bring problems. Another possibility would be to carry out a distance measurement via radio waves, in particular radar waves, but this could also bring about problems at least in the area of airports or ship harbors with active radio traffic. At least in such applications, it is advantageous if the reference point is formed as an attachment point for extending over at least a part of the career length scanning member.
  • the scanning member thus extends substantially over the raceway length, so that an immediate mechanical scanning of the scanning element comes into question or acting at a short distance indirect scan, z. B. via induction measuring elements.
  • the scanning member is encapsulated, so that it is largely independent of the weather.
  • the scanning member is formed by a chain into which a Gear engages a connected to the crane measuring unit.
  • the scanning movement of the gear can be detected by a rotatably connected to the gear angle encoder and forwarded to the crane location detection device.
  • the remote from the reference point end of the scanning member is connected via a biasing member with one of the supports ,
  • at least three parallel next to each other and spaced apart arranged raceway supports are provided, which are associated with two bridge cranes, wherein the middle track carrier carries a track for a bridge crane and another career for the other bridge crane.
  • the middle track carrier carries a track for a bridge crane and another career for the other bridge crane.
  • the crane runway structure according to the invention is generally designated 10 in the overview representation according to FIG. 1 shows a partial section of a substantially larger overall system consisting of a plurality of parallel adjacent track carriers with a corresponding multiplicity of independently operable overhead cranes.
  • Such a bridge crane 14 is roughly indicated in FIG. 1 with an interrupted outline.
  • a bridge 16 of the bridge crane 14 is on two or more rail wheels 18 at the two ends of the bridge on a crane rail 20 of the respective track carrier 12 back and forth in the raceway direction (double arrow LR) movable.
  • a trolley 22 in the bridge direction (double arrow BR) back and forth movable.
  • a load-receiving means for example a spreader, is suspended on the trolley 22 via four carrying cables and can be raised or lowered in the vertical direction (double-headed arrow HR).
  • the spreader serves to connect to the crane load to be loaded, for example a shipping container (ISO container) 28.
  • ISO container shipping container
  • Each track carrier 12 carries two crane rails 20 each for a bridge crane 14 on one side and a bridge crane 14 on the other side. Only in the case of the two outer raceway carriers 12 only one crane rail 20 has to be mounted (see FIG. 12).
  • the crane runway structure 10 thus requires a number n of independently bridge cranes 40 operable by a number of n + 1 track carriers 12.
  • bridge cranes 14 can operate independently of each other, only a single track rail per track carrier 12 may be provided on which then run two bridge cranes 14 simultaneously.
  • the crane design is not tied to the bridge crane form.
  • cranes such as gantry cranes conceivable, depending on the type of storage system for which the crane runway frame 10 is provided.
  • a particular advantage of the invention lies in the fact that the crane runway girder 12 of the support system to be described from supports 30 can be readily adapted to a desired running height of the trolley 22, wherein sufficient mechanical stability and rigidity is ensured, so that in many cases a complex portal construction of the crane can be dispensed with.
  • the foot parts 34 of which FIGS. 2 and 3 show a first variant 34 'and a second variant 34 "in FIGS. 4 and 5, are anchored in the ground via deep foundation piles, here in the form of pile piles 36
  • Base plate 34 is provided in each case with four driven piles 36 which extend in the corner regions of the foot part formed by a substantially square, horizontally arranged plate and which run downwardly and radially outward with respect to the column axis 38.
  • the foot part may be a precast concrete part, although an in-situ concrete part is preferred, as this facilitates the connection to the piles.
  • the foot part is only to be concreted to the upwardly projecting reinforcements of the piles 36.
  • the foot part 34 may also be referred to as a pile head plate.
  • the foot part 34 ' is designed continuously as a square plate in order to serve as a support for a diameter-enlarged end piece 42 of the support 30.
  • Anchoring elements 44 which are cast into the foot part 34 ', can thus pass through openings 46 of the outwardly projecting edge of the end piece 42 and at their over the end piece 42 upwardly projecting ends by means of fastening means, such as clamping nuts 48, 42 are fixed to the end piece ,
  • the foot part 34 " In the variant according to FIGS. 4 and 5, no such adjustment possibility is provided in the area of the foot part 34 ", namely because the adjustment is made at the top of the column 30.
  • the column 30 is inserted with its lower end (without diameter-enlarged end piece) in a quiver-like receiving opening 52 of the foot part 34 'and potted there.
  • the foot part In order to increase the guide height of the receiving opening 52, the foot part, as shown in the figures, may be provided with a collar 54 projecting above.
  • a driving surface 56 eg, asphalt pavement, concrete pavement, or lava layer flush with the top of the tail as shown in Figs and the collar 54 as shown in FIG. 4 and 5 concludes.
  • the track 12 consists of a series of beam sections 60 of approximately double T-shaped cross-sectional shape (see, for example, FIG. 7). These are prestressed concrete parts, which in addition to a slack reinforcement consist of a plurality of strands 62 (ST1570 / 5770 each with 93 mm 2 consisting of 7 individual strands) in the area of the lower T-head with a tension reinforcement consisting of two tension strands 66 (ST1570 / 1770 each with 41 mm 2 consisting of 5 individual strands) are provided.
  • FIG. 10 shows a strand receiving channel 64 for receiving a tensioning strand 66. According to FIG. 1, two such channels 64 are provided for two tensioning strands 66.
  • the two channels extend, starting from an open towards the front end of the support portion 60 diameter-enlarged clamping device chamber 68 in the transition region between the upper T-head and the T-foot of the double-T-cross-sectional shape of FIG. 11, in a downwardly bent Line with apex in the middle of the length of the Carrier portion 60.
  • the support portion 60 is formed symmetrically to the longitudinal center.
  • All support sections 60 are, apart from the last support section 60 'projecting beyond an end support 30', provided at each end with a head section 70 which is cut in FIGS. 7 and 11 and compared to the remaining cross-sectional form, for example according to FIG 12, is provided with a flange-like widening 72 of the lower head of the double-T cross-sectional shape.
  • a head section 70 which is cut in FIGS. 7 and 11 and compared to the remaining cross-sectional form, for example according to FIG 12, is provided with a flange-like widening 72 of the lower head of the double-T cross-sectional shape.
  • FIGS. 7, 9 and 10 show.
  • the support 30 is additionally provided in the region of its upper end with edge recesses 84 which are also visible in the said figures.
  • the upper clamping nuts 78 and lower clamping nuts 86 are each supported on base plates 88 cast in the concrete material (see FIGS. 9 and 10).
  • an adjusting plate 92 is provided for this purpose, which carries the elastomer plate 90 and which is coupled by way of a lug construction to a carrier plate-fixed upper plate 94 for transmitting forces in the transverse direction QR.
  • plate 94 is provided with two lobes 94a bent downwards with a buckling edge parallel to the transverse direction QR, between which a flap 92a of adjustment plate 92, bent upward in the same way, engages.
  • a projection 92b is formed, which protrudes in the horizontal direction and thereby engages between two adjusting plates 96.
  • the two adjustment plates 96 are aligned in the transverse direction QR. They are adjustable in the transverse direction QR and that in the illustrated embodiment discontinuously. For this purpose, they are each provided with two bolt openings 96a, which can be fixed via corresponding adjusting bolts 96b to corresponding bolt openings 98a of a base plate 98.
  • the base plate 98 is cast into the top of the tail 84 with a downwardly bent tab 98b of the base plate 98 providing sufficient transverse load capacity QR
  • a hydraulic press between top of the end portion 84 of the column 30 and the bottom of the respective support portion 60 is inserted and then actuated for lifting the support portion 60.
  • a press footprint 100 is circumscribed with a circle.
  • the press can also be used for height adjustment, the adjustment itself being done by replacing the elastomeric plate 90 with another elastomeric plate having the desired thickness, or by interposing or removing spacer washers.
  • the lateral adjustment and the height adjustment of the ends of the support portions 60 can be done so accurately that an adjustment the crane rails 20 is unnecessary. Since the carrier sections 60 can have large spans (for example 20 m), the adjustment work is reduced in accordance with the small number of adjustment points.
  • the bearing arrangement described allows limited relative movements between the support portion 60 and support 30 in the direction LR, which is identical to the carrier longitudinal direction.
  • the lobed construction of the interlocking tab-like projections 92a and 94a limits such movement.
  • the restoring force is determined by the shear stiffness of the elastomer plates 90.
  • a biasing element here compression spring 104
  • the other end support 30 ' is connected.
  • a biasing element here compression spring 104
  • the right in Fig. 13 plate 108 carries a bearing block 110 which holds the right end of the chain 102 and thus represents the reference point RP.
  • the left end of the chain 102 in FIG. 13 is attached to a pin 112. This penetrates the end plate 106 and ends in a pin plate 112 a. Between the pin plate 112a and the end plate 106, the already mentioned compression spring 104 is clamped, the chain 102 under substantially constant Tension sets, regardless of the possibly slightly changing distance between the end supports 30 '.
  • a measuring unit is connected to a meshing with the chain 102 gear 110.
  • the respective angular position of the gear 110 is detected by an angle sensor 112, the measured angular position via a dash-dotted line Symbolized data line 114 forwards to a crane control, not shown.
  • the chain 102 may be encapsulated in a manner not shown to protect it from the weather. In this case, it may be appropriate to keep a capsule profile open at the bottom, so that the entry of rainwater is prevented. In this case, it will be useful to let the gear engage from below into the chain.
  • the raceway carrier 12 In order to completely decouple the position of the reference point RP from possible thermal movements of the raceway carrier 12, the raceway carrier 12 is supported on the head part 84 of the support 30 "via a slide bearing 114. This applies in the same way to the other end support 30 'in order to maximize the chain tension to keep uniform.
  • the crane rail 20 is mounted on support brackets 120 on the support portions 60 of the raceway carrier 12. These each have a vertical side surface 120a facing the rail foot 20a for lateral fixing of the rail 20. Furthermore, they overlap a nose 120b of said rail foot 20a, whereby they rest with a nose oblique surface 120c on an inclined surface of the rail foot 20a or a slight distance to have this. It is thus prevented lifting the rail 20 from the raceway carrier 12.
  • an intermediate layer 124 is inserted between the rail 20 a and a support plate 122.
  • the plate 122 is flush with its upper side flush with the top of the support portion 60. It is penetrated by two anchor bolts 124, which are cast in the support portion 60. Their upper ends pass through a passage opening 120d of the two retaining clips 120 on both sides of the crane rail 20.
  • the passage opening 120d is somewhat oversized in order to allow slight adjustment movements of the retaining clips 120 to account for manufacturing and assembly inaccuracies.
  • the retaining clips can be fixed by means of clamping screws 130 and spring washers 132 on the support section 60.
  • the described type of attachment allows thermally induced relative movements between the crane rail 20 and the support portion 60.
  • the total frictional resistance is generally so great that it outweighs the crane forces acting in the rail longitudinal direction (acceleration or braking forces).
  • stops 140 at both career support ends (see also Fig. 13).
  • These may be formed angularly and be rigidly connected by fastening screws 142 with the respective support portion.
  • the crane rail 20 is either continuously on the abutting plates 122 or discontinuous at an appropriate distance between the plates 122nd
  • a continuous cable channel 140 may be mounted laterally.
  • a particular advantage of the invention should be pointed out, which consists in the fact that the crane runway structure 10 is substantially unaffected by possible subsidence of the storage area between adjacent runway beams 12 due to the weight of stored stored goods due to the deep foundation and the elevation of the raceways 12, in particular of containers.
  • Settlements which may be 15 cm, for example, are refilled according to the invention, preferably with lava ash.
  • the entire terrain would have to be rehabilitated, since the settlement of the ground also involves a change in the position of the rail.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Leg Units, Guards, And Driving Tracks Of Cranes (AREA)
  • Bridges Or Land Bridges (AREA)
  • Jib Cranes (AREA)
  • Load-Engaging Elements For Cranes (AREA)
  • Control And Safety Of Cranes (AREA)
EP00100445A 2000-01-10 2000-01-10 Kranbahntragwerk Expired - Lifetime EP1116683B1 (de)

Priority Applications (9)

Application Number Priority Date Filing Date Title
DE50011209T DE50011209D1 (de) 2000-01-10 2000-01-10 Kranbahntragwerk
AT00100445T ATE304987T1 (de) 2000-01-10 2000-01-10 Kranbahntragwerk
ES00100445T ES2250027T3 (es) 2000-01-10 2000-01-10 Estructura portante para vias de rodadura para gruas.
DK00100445T DK1116683T3 (da) 2000-01-10 2000-01-10 Understötningskonstruktion til en kran
EP00100445A EP1116683B1 (de) 2000-01-10 2000-01-10 Kranbahntragwerk
JP2001551789A JP2003519611A (ja) 2000-01-10 2001-01-10 クレーン軌道支持架構
PCT/DE2001/000129 WO2001051402A1 (de) 2000-01-10 2001-01-10 Kranbahntragwerk
KR1020027008916A KR100798047B1 (ko) 2000-01-10 2001-01-10 크레인 트랙 지지 골조
US10/181,853 US7066094B2 (en) 2000-01-10 2001-01-10 Supporting framework for a craneway

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP00100445A EP1116683B1 (de) 2000-01-10 2000-01-10 Kranbahntragwerk

Publications (2)

Publication Number Publication Date
EP1116683A1 EP1116683A1 (de) 2001-07-18
EP1116683B1 true EP1116683B1 (de) 2005-09-21

Family

ID=8167593

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00100445A Expired - Lifetime EP1116683B1 (de) 2000-01-10 2000-01-10 Kranbahntragwerk

Country Status (9)

Country Link
US (1) US7066094B2 (ko)
EP (1) EP1116683B1 (ko)
JP (1) JP2003519611A (ko)
KR (1) KR100798047B1 (ko)
AT (1) ATE304987T1 (ko)
DE (1) DE50011209D1 (ko)
DK (1) DK1116683T3 (ko)
ES (1) ES2250027T3 (ko)
WO (1) WO2001051402A1 (ko)

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US6564516B1 (en) * 1998-04-08 2003-05-20 Einar Svensson Support structure for elevated railed-vehicle guideway
US6665990B1 (en) * 2000-03-06 2003-12-23 Barr Engineering Co. High-tension high-compression foundation for tower structures

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103231985A (zh) * 2013-04-03 2013-08-07 深圳市华星光电技术有限公司 起重轨道结构
CN103231985B (zh) * 2013-04-03 2015-02-25 深圳市华星光电技术有限公司 起重轨道结构

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KR100798047B1 (ko) 2008-01-28
ES2250027T3 (es) 2006-04-16
WO2001051402A1 (de) 2001-07-19
JP2003519611A (ja) 2003-06-24
ATE304987T1 (de) 2005-10-15
DK1116683T3 (da) 2006-02-20
DE50011209D1 (de) 2006-02-02
US7066094B2 (en) 2006-06-27
US20040182025A1 (en) 2004-09-23
EP1116683A1 (de) 2001-07-18
KR20030015194A (ko) 2003-02-20

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